CVE-2009-1415 Information

Description

lib/pk-libgcrypt.c in libgnutls in GnuTLS before 2.6.6 does not properly handle invalid DSA signatures which allows remote attackers to cause a denial of service (application crash) and possibly have unspecified other impact via a malformed DSA key that triggers a (1) free of an uninitialized pointer or (2) double free.

Reference

http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3515 http://permalink.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3502 http://secunia.com/advisories/34842 http://secunia.com/advisories/35211 http://security.gentoo.org/glsa/glsa-200905-04.xml http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3488 http://www.mandriva.com/security/advisories?name=MDVSA-2009:116 http://www.securityfocus.com/bid/34783 http://www.securitytracker.com/id?1022157 http://www.vupen.com/english/advisories/2009/1218 https://exchange.xforce.ibmcloud.com/vulnerabilities/50257 https://exchange.xforce.ibmcloud.com/vulnerabilities/50260 https://exchange.xforce.ibmcloud.com/vulnerabilities/50445