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openSUSE:Leap:15.5:Update
shim-susesigned.16842
shim-bsc1177315-fix-buffer-use-after-free.patch
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File shim-bsc1177315-fix-buffer-use-after-free.patch of Package shim-susesigned.16842
From 049bf5c1bd83643b9a6e8b7e67ea51ef7076cbc6 Mon Sep 17 00:00:00 2001 From: Gary Lin <glin@suse.com> Date: Thu, 22 Oct 2020 14:00:04 +0800 Subject: [PATCH] Cryptlib/CryptPkcs7VerifyEku: fix buffer use-after-free Merge the patch from edk2 upstream: https://bugzilla.tianocore.org/show_bug.cgi?id=2459 Since SignerCert is actually a part of Pkcs7, PKCS7_free() also fress SignerCert, so there is no need to free SignerCert. Signed-off-by: Gary Lin <glin@suse.com> --- Cryptlib/Pk/CryptPkcs7VerifyEku.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/Cryptlib/Pk/CryptPkcs7VerifyEku.c b/Cryptlib/Pk/CryptPkcs7VerifyEku.c index d086886..2c172e2 100644 --- a/Cryptlib/Pk/CryptPkcs7VerifyEku.c +++ b/Cryptlib/Pk/CryptPkcs7VerifyEku.c @@ -507,10 +507,6 @@ Exit: free (SignedData); } - if (SignerCert != NULL) { - X509_free (SignerCert); - } - if (Pkcs7 != NULL) { PKCS7_free (Pkcs7); } -- 2.28.0
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