SHA256
1
0
forked from pool/mupdf

Accepting request 572218 from Publishing

OBS-URL: https://build.opensuse.org/request/show/572218
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/mupdf?expand=0&rev=32
This commit is contained in:
Dominique Leuenberger 2018-02-05 09:49:21 +00:00 committed by Git OBS Bridge
commit 7c4b881d64
5 changed files with 181 additions and 0 deletions

63
CVE-2018-6187.patch Normal file
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@ -0,0 +1,63 @@
X-Git-Url: http://git.ghostscript.com/?p=mupdf.git;a=blobdiff_plain;f=source%2Fpdf%2Fpdf-write.c;h=bc67f003025516c04991758ea648f79d00926742;hp=a7326a173a09df3fd4e3adbf3e1842081b6dfea4;hb=3e30fbb7bf5efd88df431e366492356e7eb969ec;hpb=b03def134988da8c800adac1a38a41a1f09a1d89
Index: mupdf-1.12.0-source/source/pdf/pdf-write.c
===================================================================
--- mupdf-1.12.0-source.orig/source/pdf/pdf-write.c
+++ mupdf-1.12.0-source/source/pdf/pdf-write.c
@@ -633,7 +633,8 @@ expand_lists(fz_context *ctx, pdf_write_
{
int i;
- num++;
+ /* objects are numbered 0..num and maybe two additional objects for linearization */
+ num += 3;
opts->use_list = fz_resize_array(ctx, opts->use_list, num, sizeof(*opts->use_list));
opts->ofs_list = fz_resize_array(ctx, opts->ofs_list, num, sizeof(*opts->ofs_list));
opts->gen_list = fz_resize_array(ctx, opts->gen_list, num, sizeof(*opts->gen_list));
@@ -1522,9 +1523,9 @@ static void preloadobjstms(fz_context *c
{
pdf_obj *obj;
int num;
- int xref_len = pdf_xref_len(ctx, doc);
- for (num = 0; num < xref_len; num++)
+ /* xref_len may change due to repair, so check it every iteration */
+ for (num = 0; num < pdf_xref_len(ctx, doc); num++)
{
if (pdf_get_xref_entry(ctx, doc, num)->type == 'o')
{
@@ -2755,7 +2756,7 @@ static void initialise_write_state(fz_co
opts->continue_on_error = in_opts->continue_on_error;
opts->errors = in_opts->errors;
- expand_lists(ctx, opts, xref_len + 3);
+ expand_lists(ctx, opts, xref_len);
}
/* Free the resources held by the dynamic write options */
@@ -2889,6 +2890,9 @@ do_pdf_save_document(fz_context *ctx, pd
{
pdf_ensure_solid_xref(ctx, doc, xref_len);
preloadobjstms(ctx, doc);
+
+ xref_len = pdf_xref_len(ctx, doc); /* May have changed due to repair */
+ expand_lists(ctx, opts, xref_len);
}
/* Sweep & mark objects from the trailer */
@@ -2897,6 +2901,7 @@ do_pdf_save_document(fz_context *ctx, pd
else
{
xref_len = pdf_xref_len(ctx, doc); /* May have changed due to repair */
+ expand_lists(ctx, opts, xref_len);
for (num = 0; num < xref_len; num++)
opts->use_list[num] = 1;
}
@@ -2917,6 +2922,7 @@ do_pdf_save_document(fz_context *ctx, pd
if ((opts->do_garbage >= 2 || opts->do_linear) && !opts->do_incremental)
{
xref_len = pdf_xref_len(ctx, doc); /* May have changed due to repair */
+ expand_lists(ctx, opts, xref_len);
while (xref_len > 0 && !opts->use_list[xref_len-1])
xref_len--;
}

38
CVE-2018-6192.patch Normal file
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@ -0,0 +1,38 @@
From 5e411a99604ff6be5db9e273ee84737204113299 Mon Sep 17 00:00:00 2001
From: Sebastian Rasmussen <sebras@gmail.com>
Date: Tue, 30 Jan 2018 02:05:57 +0100
Subject: [PATCH] Bug 698916: Indirect object numbers must be in range.
---
source/pdf/pdf-parse.c | 2 ++
source/pdf/pdf-xref.c | 4 ++--
2 files changed, 4 insertions(+), 2 deletions(-)
Index: mupdf-1.12.0-source/source/pdf/pdf-parse.c
===================================================================
--- mupdf-1.12.0-source.orig/source/pdf/pdf-parse.c
+++ mupdf-1.12.0-source/source/pdf/pdf-parse.c
@@ -616,6 +616,8 @@ pdf_parse_ind_obj(fz_context *ctx, pdf_d
fz_throw(ctx, FZ_ERROR_SYNTAX, "expected object number");
}
num = buf->i;
+ if (num < 0 || num > PDF_MAX_OBJECT_NUMBER)
+ fz_throw(ctx, FZ_ERROR_SYNTAX, "object number out of range");
tok = pdf_lex(ctx, file, buf);
if (tok != PDF_TOK_INT)
Index: mupdf-1.12.0-source/source/pdf/pdf-xref.c
===================================================================
--- mupdf-1.12.0-source.orig/source/pdf/pdf-xref.c
+++ mupdf-1.12.0-source/source/pdf/pdf-xref.c
@@ -234,8 +234,8 @@ pdf_xref_entry *pdf_get_populating_xref_
}
/* Prevent accidental heap underflow */
- if (num < 0)
- fz_throw(ctx, FZ_ERROR_GENERIC, "object number must not be negative (%d)", num);
+ if (num < 0 || num > PDF_MAX_OBJECT_NUMBER)
+ fz_throw(ctx, FZ_ERROR_GENERIC, "object number out of range (%d)", num);
/* Return the pointer to the entry in the last section. */
xref = &doc->xref_sections[doc->num_xref_sections-1];

53
CVE-2018-6544.patch Normal file
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@ -0,0 +1,53 @@
Index: mupdf-1.12.0-source/source/pdf/pdf-stream.c
===================================================================
--- mupdf-1.12.0-source.orig/source/pdf/pdf-stream.c
+++ mupdf-1.12.0-source/source/pdf/pdf-stream.c
@@ -303,14 +303,13 @@ pdf_open_raw_filter(fz_context *ctx, fz_
*orig_gen = 0;
}
- fz_var(chain);
+ chain = fz_keep_stream(ctx, chain);
fz_try(ctx)
{
len = pdf_to_int(ctx, pdf_dict_get(ctx, stmobj, PDF_NAME_Length));
- /* don't close chain when we close this filter */
- chain2 = fz_keep_stream(ctx, chain);
+ chain2 = chain;
chain = NULL;
chain = fz_open_null(ctx, chain2, len, offset);
Index: mupdf-1.12.0-source/source/pdf/pdf-xref.c
===================================================================
--- mupdf-1.12.0-source.orig/source/pdf/pdf-xref.c
+++ mupdf-1.12.0-source/source/pdf/pdf-xref.c
@@ -1595,6 +1595,19 @@ pdf_load_obj_stm(fz_context *ctx, pdf_do
{
objstm = pdf_load_object(ctx, doc, num);
+ if (pdf_obj_marked(ctx, objstm))
+ fz_throw(ctx, FZ_ERROR_GENERIC, "recursive object stream lookup");
+ }
+ fz_catch(ctx)
+ {
+ pdf_drop_obj(ctx, objstm);
+ fz_rethrow(ctx);
+ }
+
+ fz_try(ctx)
+ {
+ pdf_mark_obj(ctx, objstm);
+
count = pdf_to_int(ctx, pdf_dict_get(ctx, objstm, PDF_NAME_N));
first = pdf_to_int(ctx, pdf_dict_get(ctx, objstm, PDF_NAME_First));
@@ -1674,6 +1687,7 @@ pdf_load_obj_stm(fz_context *ctx, pdf_do
fz_drop_stream(ctx, stm);
fz_free(ctx, ofsbuf);
fz_free(ctx, numbuf);
+ pdf_unmark_obj(ctx, objstm);
pdf_drop_obj(ctx, objstm);
}
fz_catch(ctx)

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@ -1,3 +1,24 @@
-------------------------------------------------------------------
Fri Feb 2 20:48:34 UTC 2018 - kbabioch@suse.com
- CVE-2018-6192.patch: Use official fix from usptream (CVE-2018-6192
boo#1077755)
-------------------------------------------------------------------
Fri Feb 2 14:58:40 UTC 2018 - kbabioch@suse.com
- Add CVE-2018-6544.patch to fix a DoS in pdf_load_obj_stm within in
pdf/pdf-xref.c (CVE-2018-6544 boo#1079100)
- Add CVE-2018-6192.patch to fix a DoS in pdf_read_new_xref within
pdf/pdf-xref.c via crafted PDF file (CVE-2018-6192 boo#1077755)
-------------------------------------------------------------------
Fri Feb 2 07:52:06 UTC 2018 - kbabioch@suse.com
- Add CVE-2018-6187.patch to fix a heap buffer overflow in in pdf-write.c
in the do_pdf_save_document function (CVE-2018-6187 boo#1077407)
-------------------------------------------------------------------
Tue Jan 23 09:12:22 UTC 2018 - kbabioch@suse.com

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@ -30,6 +30,9 @@ Source2: mupdf.png
Patch1: fix-openjpeg-flags.patch
Patch2: CVE-2018-5686.patch
Patch3: CVE-2017-17858.patch
Patch4: CVE-2018-6187.patch
Patch5: CVE-2018-6192.patch
Patch6: CVE-2018-6544.patch
BuildRequires: freetype-devel
BuildRequires: gcc-c++
BuildRequires: jbig2dec-devel
@ -68,6 +71,9 @@ based on mupdf.
%patch1 -p1
%patch2 -p1
%patch3 -p1
%patch4 -p1
%patch5 -p1
%patch6 -p1
# do not use the inlined copies of build dpendencies except for mujs
rm -rf $(ls -d thirdparty/*/ | grep -v mujs)