Compare commits
2 Commits
Author | SHA256 | Date | |
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e959a53ece | |||
ad3f573dbd |
212
CVE-2024-23337.patch
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212
CVE-2024-23337.patch
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@@ -0,0 +1,212 @@
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From de21386681c0df0104a99d9d09db23a9b2a78b1e Mon Sep 17 00:00:00 2001
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From: itchyny <itchyny@cybozu.co.jp>
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Date: Wed, 21 May 2025 07:45:00 +0900
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Subject: [PATCH] Fix signed integer overflow in jvp_array_write and
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jvp_object_rehash
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This commit fixes signed integer overflow and SEGV issues on growing
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arrays and objects. The size of arrays and objects is now limited to
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`536870912` (`0x20000000`). This fixes CVE-2024-23337 and fixes #3262.
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---
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src/jv.c | 45 ++++++++++++++++++++++++++++++++++++---------
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src/jv_aux.c | 9 +++++----
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tests/jq.test | 4 ++++
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3 files changed, 45 insertions(+), 13 deletions(-)
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Index: jq-1.7.1/src/jv.c
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===================================================================
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--- jq-1.7.1.orig/src/jv.c
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+++ jq-1.7.1/src/jv.c
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@@ -992,6 +992,11 @@ jv jv_array_set(jv j, int idx, jv val) {
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jv_free(val);
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return jv_invalid_with_msg(jv_string("Out of bounds negative array index"));
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}
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+ if (idx > (INT_MAX >> 2) - jvp_array_offset(j)) {
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+ jv_free(j);
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+ jv_free(val);
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+ return jv_invalid_with_msg(jv_string("Array index too large"));
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+ }
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// copy/free of val,j coalesced
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jv* slot = jvp_array_write(&j, idx);
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jv_free(*slot);
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@@ -1011,6 +1016,7 @@ jv jv_array_concat(jv a, jv b) {
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// FIXME: could be faster
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jv_array_foreach(b, i, elem) {
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a = jv_array_append(a, elem);
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+ if (!jv_is_valid(a)) break;
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}
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jv_free(b);
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return a;
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@@ -1283,6 +1289,7 @@ jv jv_string_indexes(jv j, jv k) {
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p = jstr;
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while ((p = _jq_memmem(p, (jstr + jlen) - p, idxstr, idxlen)) != NULL) {
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a = jv_array_append(a, jv_number(p - jstr));
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+ if (!jv_is_valid(a)) break;
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p++;
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}
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}
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@@ -1305,14 +1312,17 @@ jv jv_string_split(jv j, jv sep) {
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if (seplen == 0) {
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int c;
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- while ((jstr = jvp_utf8_next(jstr, jend, &c)))
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+ while ((jstr = jvp_utf8_next(jstr, jend, &c))) {
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a = jv_array_append(a, jv_string_append_codepoint(jv_string(""), c));
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+ if (!jv_is_valid(a)) break;
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+ }
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} else {
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for (p = jstr; p < jend; p = s + seplen) {
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s = _jq_memmem(p, jend - p, sepstr, seplen);
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if (s == NULL)
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s = jend;
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a = jv_array_append(a, jv_string_sized(p, s - p));
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+ if (!jv_is_valid(a)) break;
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// Add an empty string to denote that j ends on a sep
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if (s + seplen == jend && seplen != 0)
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a = jv_array_append(a, jv_string(""));
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@@ -1330,8 +1340,10 @@ jv jv_string_explode(jv j) {
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const char* end = i + len;
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jv a = jv_array_sized(len);
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int c;
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- while ((i = jvp_utf8_next(i, end, &c)))
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+ while ((i = jvp_utf8_next(i, end, &c))) {
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a = jv_array_append(a, jv_number(c));
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+ if (!jv_is_valid(a)) break;
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+ }
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jv_free(j);
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return a;
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}
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@@ -1605,10 +1617,13 @@ static void jvp_object_free(jv o) {
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}
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}
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-static jv jvp_object_rehash(jv object) {
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+static int jvp_object_rehash(jv *objectp) {
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+ jv object = *objectp;
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assert(JVP_HAS_KIND(object, JV_KIND_OBJECT));
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assert(jvp_refcnt_unshared(object.u.ptr));
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int size = jvp_object_size(object);
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+ if (size > INT_MAX >> 2)
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+ return 0;
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jv new_object = jvp_object_new(size * 2);
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for (int i=0; i<size; i++) {
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struct object_slot* slot = jvp_object_get_slot(object, i);
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@@ -1621,7 +1636,8 @@ static jv jvp_object_rehash(jv object) {
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}
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// references are transported, just drop the old table
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jv_mem_free(jvp_object_ptr(object));
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- return new_object;
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+ *objectp = new_object;
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+ return 1;
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}
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static jv jvp_object_unshare(jv object) {
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@@ -1650,27 +1666,32 @@ static jv jvp_object_unshare(jv object)
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return new_object;
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}
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-static jv* jvp_object_write(jv* object, jv key) {
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+static int jvp_object_write(jv* object, jv key, jv **valpp) {
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*object = jvp_object_unshare(*object);
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int* bucket = jvp_object_find_bucket(*object, key);
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struct object_slot* slot = jvp_object_find_slot(*object, key, bucket);
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if (slot) {
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// already has the key
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jvp_string_free(key);
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- return &slot->value;
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+ *valpp = &slot->value;
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+ return 1;
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}
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slot = jvp_object_add_slot(*object, key, bucket);
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if (slot) {
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slot->value = jv_invalid();
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} else {
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- *object = jvp_object_rehash(*object);
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+ if (!jvp_object_rehash(object)) {
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+ *valpp = NULL;
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+ return 0;
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+ }
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bucket = jvp_object_find_bucket(*object, key);
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assert(!jvp_object_find_slot(*object, key, bucket));
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slot = jvp_object_add_slot(*object, key, bucket);
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assert(slot);
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slot->value = jv_invalid();
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}
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- return &slot->value;
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+ *valpp = &slot->value;
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+ return 1;
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}
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static int jvp_object_delete(jv* object, jv key) {
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@@ -1770,7 +1791,11 @@ jv jv_object_set(jv object, jv key, jv v
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assert(JVP_HAS_KIND(object, JV_KIND_OBJECT));
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assert(JVP_HAS_KIND(key, JV_KIND_STRING));
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// copy/free of object, key, value coalesced
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- jv* slot = jvp_object_write(&object, key);
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+ jv* slot;
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+ if (!jvp_object_write(&object, key, &slot)) {
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+ jv_free(object);
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+ return jv_invalid_with_msg(jv_string("Object too big"));
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+ }
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jv_free(*slot);
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*slot = value;
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return object;
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@@ -1795,6 +1820,7 @@ jv jv_object_merge(jv a, jv b) {
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assert(JVP_HAS_KIND(a, JV_KIND_OBJECT));
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jv_object_foreach(b, k, v) {
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a = jv_object_set(a, k, v);
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+ if (!jv_is_valid(a)) break;
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}
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jv_free(b);
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return a;
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@@ -1814,6 +1840,7 @@ jv jv_object_merge_recursive(jv a, jv b)
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jv_free(elem);
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a = jv_object_set(a, k, v);
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}
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+ if (!jv_is_valid(a)) break;
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}
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jv_free(b);
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return a;
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Index: jq-1.7.1/src/jv_aux.c
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===================================================================
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--- jq-1.7.1.orig/src/jv_aux.c
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+++ jq-1.7.1/src/jv_aux.c
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@@ -193,18 +193,19 @@ jv jv_set(jv t, jv k, jv v) {
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if (slice_len < insert_len) {
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// array is growing
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int shift = insert_len - slice_len;
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- for (int i = array_len - 1; i >= end; i--) {
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+ for (int i = array_len - 1; i >= end && jv_is_valid(t); i--) {
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t = jv_array_set(t, i + shift, jv_array_get(jv_copy(t), i));
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}
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} else if (slice_len > insert_len) {
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// array is shrinking
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int shift = slice_len - insert_len;
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- for (int i = end; i < array_len; i++) {
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+ for (int i = end; i < array_len && jv_is_valid(t); i++) {
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t = jv_array_set(t, i - shift, jv_array_get(jv_copy(t), i));
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}
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- t = jv_array_slice(t, 0, array_len - shift);
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+ if (jv_is_valid(t))
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+ t = jv_array_slice(t, 0, array_len - shift);
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}
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- for (int i=0; i < insert_len; i++) {
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+ for (int i = 0; i < insert_len && jv_is_valid(t); i++) {
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t = jv_array_set(t, start + i, jv_array_get(jv_copy(v), i));
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}
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jv_free(v);
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Index: jq-1.7.1/tests/jq.test
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===================================================================
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--- jq-1.7.1.orig/tests/jq.test
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+++ jq-1.7.1/tests/jq.test
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@@ -198,6 +198,10 @@ null
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[0,1,2]
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[0,5,2]
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+try (.[999999999] = 0) catch .
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+null
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+"Array index too large"
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+
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#
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# Multiple outputs, iteration
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#
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103
CVE-2024-53427.patch
Normal file
103
CVE-2024-53427.patch
Normal file
@@ -0,0 +1,103 @@
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This is a combined patch consisting of upstream patches:
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https://github.com/jqlang/jq/commit/b86ff49f46a4a37e5a8e75a140cb5fd6e1331384
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https://github.com/jqlang/jq/commit/a09a4dfd55e6c24d04b35062ccfe4509748b1dd3
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which have been slightly tweaked so they apply to the jq 1.7.1 release.
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The purpose of the patch is to fix CVE-2024-53427.
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Index: jq-1.7.1/src/jv.c
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===================================================================
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--- jq-1.7.1.orig/src/jv.c
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+++ jq-1.7.1/src/jv.c
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@@ -206,9 +206,6 @@ enum {
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JVP_NUMBER_DECIMAL = 1
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};
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-#define JV_NUMBER_SIZE_INIT (0)
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-#define JV_NUMBER_SIZE_CONVERTED (1)
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-
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#define JVP_FLAGS_NUMBER_NATIVE JVP_MAKE_FLAGS(JV_KIND_NUMBER, JVP_MAKE_PFLAGS(JVP_NUMBER_NATIVE, 0))
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#define JVP_FLAGS_NUMBER_LITERAL JVP_MAKE_FLAGS(JV_KIND_NUMBER, JVP_MAKE_PFLAGS(JVP_NUMBER_DECIMAL, 1))
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@@ -589,8 +586,17 @@ static jv jvp_literal_number_new(const c
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jv_mem_free(n);
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return JV_INVALID;
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}
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+ if (decNumberIsNaN(&n->num_decimal)) {
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+ // Reject NaN with payload.
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+ if (n->num_decimal.digits > 1 || *n->num_decimal.lsu != 0) {
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+ jv_mem_free(n);
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+ return JV_INVALID;
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+ }
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+ jv_mem_free(n);
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+ return jv_number(NAN);
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+ }
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- jv r = {JVP_FLAGS_NUMBER_LITERAL, 0, 0, JV_NUMBER_SIZE_INIT, {&n->refcnt}};
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+ jv r = {JVP_FLAGS_NUMBER_LITERAL, 0, 0, 0, {&n->refcnt}};
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return r;
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}
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@@ -698,9 +704,8 @@ double jv_number_value(jv j) {
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if (JVP_HAS_FLAGS(j, JVP_FLAGS_NUMBER_LITERAL)) {
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jvp_literal_number* n = jvp_literal_number_ptr(j);
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- if (j.size != JV_NUMBER_SIZE_CONVERTED) {
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+ if (isnan(n->num_double)) {
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n->num_double = jvp_literal_number_to_double(j);
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- j.size = JV_NUMBER_SIZE_CONVERTED;
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}
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return n->num_double;
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@@ -731,7 +736,7 @@ int jvp_number_is_nan(jv n) {
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return decNumberIsNaN(pdec);
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}
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#endif
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- return n.u.number != n.u.number;
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+ return isnan(n.u.number);
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}
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int jvp_number_cmp(jv a, jv b) {
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Index: jq-1.7.1/tests/jq.test
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===================================================================
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--- jq-1.7.1.orig/tests/jq.test
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+++ jq-1.7.1/tests/jq.test
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@@ -1942,11 +1942,17 @@ tojson | fromjson
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{"a":nan}
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{"a":null}
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-# also "nan with payload" #2985
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-fromjson | isnan
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-"nan1234"
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+# NaN with payload is not parsed
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+.[] | try (fromjson | isnan) catch .
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+["NaN","-NaN","NaN1","NaN10","NaN100","NaN1000","NaN10000","NaN100000"]
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true
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-
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+true
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+"Invalid numeric literal at EOF at line 1, column 4 (while parsing 'NaN1')"
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+"Invalid numeric literal at EOF at line 1, column 5 (while parsing 'NaN10')"
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+"Invalid numeric literal at EOF at line 1, column 6 (while parsing 'NaN100')"
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+"Invalid numeric literal at EOF at line 1, column 7 (while parsing 'NaN1000')"
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+"Invalid numeric literal at EOF at line 1, column 8 (while parsing 'NaN10000')"
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+"Invalid numeric literal at EOF at line 1, column 9 (while parsing 'NaN100000')"
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# calling input/0, or debug/0 in a test doesn't crash jq
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Index: jq-1.7.1/tests/shtest
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===================================================================
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--- jq-1.7.1.orig/tests/shtest
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+++ jq-1.7.1/tests/shtest
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@@ -594,11 +594,6 @@ if ! x=$($JQ -n "1 # foo$cr + 2") || [ "
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exit 1
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fi
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-# CVE-2023-50268: No stack overflow comparing a nan with a large payload
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-$VALGRIND $Q $JQ '1 != .' <<\EOF >/dev/null
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-Nan4000
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-EOF
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-
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# Allow passing the inline jq script before -- #2919
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if ! r=$($JQ --args -rn -- '$ARGS.positional[0]' bar) || [ "$r" != bar ]; then
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echo "passing the inline script after -- didn't work"
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10
jq.changes
10
jq.changes
@@ -1,3 +1,13 @@
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-------------------------------------------------------------------
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Thu Jun 12 16:24:57 UTC 2025 - Nathan Cutler <ncutler@suse.com>
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- Add patch CVE-2024-23337.patch (CVE-2024-23337, bsc#1243450)
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-------------------------------------------------------------------
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Tue May 20 17:12:31 UTC 2025 - Nathan Cutler <ncutler@suse.com>
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- Add patch CVE-2024-53427.patch (CVE-2024-53427, bsc#1238078)
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-------------------------------------------------------------------
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Wed Dec 13 20:28:23 UTC 2023 - Martin Hauke <mardnh@gmx.de>
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|
2
jq.spec
2
jq.spec
@@ -25,6 +25,8 @@ License: CC-BY-3.0 AND MIT
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Group: Productivity/Text/Utilities
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URL: https://github.com/jqlang
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Source: https://github.com/jqlang/jq/releases/download/%{name}-%{version}/%{name}-%{version}.tar.gz
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Patch0: CVE-2024-23337.patch
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Patch1: CVE-2024-53427.patch
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BuildRequires: chrpath
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BuildRequires: pkgconfig
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BuildRequires: pkgconfig(oniguruma)
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Reference in New Issue
Block a user