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openSUSE:Step:15-SP4
opensc.29261
opensc-oberthur-invalid-length.patch
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File opensc-oberthur-invalid-length.patch of Package opensc.29261
From cae5c71f90cc5b364efe14040923fd5aa3b5dd90 Mon Sep 17 00:00:00 2001 From: Jakub Jelen <jjelen@redhat.com> Date: Tue, 6 Apr 2021 12:45:24 +0200 Subject: [PATCH 5/5] oberthur: Handle 1B OIDs Thanks oss-fuzz https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32807 --- src/libopensc/pkcs15-oberthur.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: opensc-0.19.0/src/libopensc/pkcs15-oberthur.c =================================================================== --- opensc-0.19.0.orig/src/libopensc/pkcs15-oberthur.c +++ opensc-0.19.0/src/libopensc/pkcs15-oberthur.c @@ -939,7 +939,7 @@ sc_pkcs15emu_oberthur_add_data(struct sc free(info_blob); LOG_TEST_RET(ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED, "Invalid length of 'oid' received"); } - if (oid_len) { + if (oid_len > 2) { oid = info_blob + offs + 2; if (*oid != 0x06 || (*(oid + 1) != oid_len - 2)) LOG_TEST_RET(ctx, SC_ERROR_UNKNOWN_DATA_RECEIVED, "Failed to add data: invalid 'OID' format");
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