8ef92e8abc
OpenSC Serial Number Processing Buffer Overflow Vulnerabilities. patches from upstream svn ok maintainer
22 lines
757 B
Plaintext
22 lines
757 B
Plaintext
$OpenBSD: patch-src_libopensc_card-acos5_c,v 1.1 2010/12/27 15:30:11 jasper Exp $
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Security fix for SA42658
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OpenSC Serial Number Processing Buffer Overflow Vulnerabilities.
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Patch from upstream svn:
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https://www.opensc-project.org/opensc/changeset/4913
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--- src/libopensc/card-acos5.c.orig Mon Dec 27 13:06:14 2010
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+++ src/libopensc/card-acos5.c Mon Dec 27 13:06:27 2010
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@@ -140,8 +140,8 @@ static int acos5_get_serialnr(sc_card_t * card, sc_ser
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/*
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* Cache serial number.
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*/
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- memcpy(card->serialnr.value, apdu.resp, apdu.resplen);
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- card->serialnr.len = apdu.resplen;
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+ memcpy(card->serialnr.value, apdu.resp, MIN(apdu.resplen, SC_MAX_SERIALNR));
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+ card->serialnr.len = MIN(apdu.resplen, SC_MAX_SERIALNR);
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/*
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* Copy and return serial number.
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