CVE-2010-2547 Information

Description

Use-after-free vulnerability in kbx/keybox-blob.c in GPGSM in GnuPG 2.x through 2.0.16 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a certificate with a large number of Subject Alternate Names which is not properly handled in a realloc operation when importing the certificate or verifying its signature.

Reference

http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.html http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html http://secunia.com/advisories/38877 http://secunia.com/advisories/40718 http://secunia.com/advisories/40841 http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.462008 http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0076 http://www.debian.org/security/2010/dsa-2076 http://www.mandriva.com/security/advisories?name=MDVSA-2010:143 http://www.securityfocus.com/bid/41945 http://www.securitytracker.com/id?1024247 http://www.vupen.com/english/advisories/2010/1931 http://www.vupen.com/english/advisories/2010/1950 http://www.vupen.com/english/advisories/2010/1988 http://www.vupen.com/english/advisories/2010/2217 http://www.vupen.com/english/advisories/2010/3125 https://issues.rpath.com/browse/RPL-3229