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openSUSE:Step:15-SP4
opensc.35664
opensc-CVE-2023-40661-6of10.patch
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File opensc-CVE-2023-40661-6of10.patch of Package opensc.35664
From c449a181a6988cc1e8dc8764d23574e48cdc3fa6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Veronika=20Hanul=C3=ADkov=C3=A1?= <vhanulik@redhat.com> Date: Mon, 19 Jun 2023 16:14:51 +0200 Subject: [PATCH] pkcs15-cflex: check path length to prevent underflow Thanks OSS-Fuzz https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58932 --- src/pkcs15init/pkcs15-cflex.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/pkcs15init/pkcs15-cflex.c b/src/pkcs15init/pkcs15-cflex.c index d06568073d..ce1d48e62c 100644 --- a/src/pkcs15init/pkcs15-cflex.c +++ b/src/pkcs15init/pkcs15-cflex.c @@ -56,6 +56,9 @@ cflex_delete_file(sc_profile_t *profile, sc_pkcs15_card_t *p15card, sc_file_t *d int r = 0; /* Select the parent DF */ path = df->path; + if (path.len < 2) { + return SC_ERROR_INVALID_ARGUMENTS; + } path.len -= 2; r = sc_select_file(p15card->card, &path, &parent); if (r < 0)
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