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openSUSE:Step:15-SP1
shim-susesigned.16785
shim-bsc1177789-fix-null-pointer-deref-Authenti...
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File shim-bsc1177789-fix-null-pointer-deref-AuthenticodeVerify.patch of Package shim-susesigned.16785
From 928984f771e27d0a64def166bbc5137ce1859fe8 Mon Sep 17 00:00:00 2001 From: Gary Lin <glin@suse.com> Date: Fri, 16 Oct 2020 15:24:44 +0800 Subject: [PATCH] Cryptlib/CryptAuthenticode: fix NULL pointer dereference in AuthenticodeVerify() Merge the fix from edk2 upstream: https://bugzilla.tianocore.org/show_bug.cgi?id=1914 https://edk2.groups.io/g/devel/message/66309 Signed-off-by: Gary Lin <glin@suse.com> --- Cryptlib/Pk/CryptAuthenticode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Cryptlib/Pk/CryptAuthenticode.c b/Cryptlib/Pk/CryptAuthenticode.c index 74e50a2..faa1efd 100644 --- a/Cryptlib/Pk/CryptAuthenticode.c +++ b/Cryptlib/Pk/CryptAuthenticode.c @@ -106,7 +106,7 @@ AuthenticodeVerify ( // // Check if it's PKCS#7 Signed Data (for Authenticode Scenario) // - if (!PKCS7_type_is_signed (Pkcs7)) { + if (!PKCS7_type_is_signed (Pkcs7) || PKCS7_get_detached (Pkcs7)) { goto _Exit; } -- 2.28.0
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