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openSUSE:Step:15-SP4
opensc.35664
opensc-CVE-2023-40661-7of10.patch
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File opensc-CVE-2023-40661-7of10.patch of Package opensc.35664
From ce7fcdaa35196706a83fe982900228e15464f928 Mon Sep 17 00:00:00 2001 From: Jakub Jelen <jjelen@redhat.com> Date: Thu, 17 Aug 2023 11:55:06 +0200 Subject: [PATCH] oberthur: Avoid heap buffer overflow Thanks oss-fuzz https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=60650 --- src/pkcs15init/pkcs15-oberthur.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/pkcs15init/pkcs15-oberthur.c b/src/pkcs15init/pkcs15-oberthur.c index 377e28948e..b20bd6e6c4 100644 --- a/src/pkcs15init/pkcs15-oberthur.c +++ b/src/pkcs15init/pkcs15-oberthur.c @@ -531,7 +531,9 @@ cosm_new_file(struct sc_profile *profile, struct sc_card *card, } file->id |= (num & 0xFF); - file->path.value[file->path.len-1] |= (num & 0xFF); + if (file->path.len) { + file->path.value[file->path.len - 1] |= (num & 0xFF); + } if (file->type == SC_FILE_TYPE_INTERNAL_EF) { file->ef_structure = structure; }
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