68 lines
2.3 KiB
Diff
68 lines
2.3 KiB
Diff
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commit 8632ec172beda894581d67eaa991e519a7874f7d
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Author: Veronika Hanulíková <vhanulik@redhat.com>
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Date: Wed Jul 17 11:18:52 2024 +0200
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pkcs15-tcos: Check return value of serial num conversion
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Thanks Matteo Marini for report
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https://github.com/OpenSC/OpenSC/security/advisories/GHSA-p3mx-7472-h3j8
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fuzz_pkcs15_encode/21
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diff --git a/src/libopensc/pkcs15-tcos.c b/src/libopensc/pkcs15-tcos.c
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index 4d02a98ee..2bd275c4f 100644
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--- a/src/libopensc/pkcs15-tcos.c
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+++ b/src/libopensc/pkcs15-tcos.c
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@@ -531,10 +531,15 @@ int sc_pkcs15emu_tcos_init_ex(
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/* get the card serial number */
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r = sc_card_ctl(card, SC_CARDCTL_GET_SERIALNR, &serialnr);
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if (r < 0) {
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- sc_log(ctx, "unable to get ICCSN\n");
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+ sc_log(ctx, "unable to get ICCSN");
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return SC_ERROR_WRONG_CARD;
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}
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- sc_bin_to_hex(serialnr.value, serialnr.len , serial, sizeof(serial), 0);
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+ r = sc_bin_to_hex(serialnr.value, serialnr.len, serial, sizeof(serial), 0);
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+ if (r != SC_SUCCESS) {
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+ sc_log(ctx, "serial number invalid");
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+ return SC_ERROR_INTERNAL;
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+ }
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+
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serial[19] = '\0';
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set_string(&p15card->tokeninfo->serial_number, serial);
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commit f9d68660f032ad4d7803431d5fc7577ea8792ac3
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Author: Veronika Hanulíková <vhanulik@redhat.com>
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Date: Wed Jul 17 14:56:22 2024 +0200
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pkcs15-lib: Report transport key error
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Thanks Matteo Marini for report
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https://github.com/OpenSC/OpenSC/security/advisories/GHSA-p3mx-7472-h3j8
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fuzz_pkcs15init/17, fuzz_pkcs15init/18
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diff --git a/src/pkcs15init/pkcs15-lib.c b/src/pkcs15init/pkcs15-lib.c
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index 6574e8025..943d53e98 100644
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--- a/src/pkcs15init/pkcs15-lib.c
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+++ b/src/pkcs15init/pkcs15-lib.c
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@@ -3831,13 +3831,15 @@ sc_pkcs15init_get_transport_key(struct sc_profile *profile, struct sc_pkcs15_car
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if (callbacks.get_key) {
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rv = callbacks.get_key(profile, type, reference, defbuf, defsize, pinbuf, pinsize);
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LOG_TEST_RET(ctx, rv, "Cannot get key");
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- }
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- else if (rv >= 0) {
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+ } else if (rv >= 0) {
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if (*pinsize < defsize)
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LOG_TEST_RET(ctx, SC_ERROR_BUFFER_TOO_SMALL, "Get transport key error");
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memcpy(pinbuf, data.key_data, data.len);
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*pinsize = data.len;
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+ } else {
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+ /* pinbuf and pinsize were not filled */
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+ LOG_TEST_RET(ctx, SC_ERROR_INTERNAL, "Get transport key error");
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}
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memset(&auth_info, 0, sizeof(auth_info));
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