Description
verify.c in GnuTLS before 1.4.4, when using an RSA key with exponent 3, does not properly handle excess data in the digestAlgorithm.parameters field when generating a hash, which allows remote attackers to forge a PKCS #1 v1.5 signature that is signed by that RSA key and prevents GnuTLS from correctly verifying X.509 and other certificates that use PKCS, a variant of CVE-2006-4339.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://secunia.com/advisories/25762 ↗
- http://secunia.com/advisories/22992 ↗
- http://secunia.com/advisories/21937 ↗
- http://secunia.com/advisories/22049 ↗
- http://securitytracker.com/id?1016844 ↗
- http://www.vupen.com/english/advisories/2006/3899 ↗
- http://www.securityfocus.com/bid/20027 ↗
- http://www.novell.com/linux/security/advisories/2006_23_sr.html ↗
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:166 ↗
- http://www.redhat.com/support/errata/RHSA-2006-0680.html ↗
- http://www.gnu.org/software/gnutls/security.html ↗
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9937 ↗
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102970-1 ↗
- http://www.vupen.com/english/advisories/2006/3635 ↗
- http://secunia.com/advisories/21942 ↗
- http://lists.gnupg.org/pipermail/gnutls-dev/2006-September/001205.html ↗
- http://secunia.com/advisories/22080 ↗
- http://security.gentoo.org/glsa/glsa-200609-15.xml ↗
- http://www.novell.com/linux/security/advisories/2007_10_ibmjava.html ↗
- http://www.debian.org/security/2006/dsa-1182 ↗
- http://support.avaya.com/elmodocs2/security/ASA-2006-250.htm ↗
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28953 ↗
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102648-1 ↗
- http://secunia.com/advisories/21973 ↗
- http://secunia.com/advisories/22226 ↗
- http://secunia.com/advisories/22084 ↗
- http://lists.gnupg.org/pipermail/gnutls-dev/2006-September/001212.html ↗
- http://www.ubuntu.com/usn/usn-348-1 ↗
- http://www.vupen.com/english/advisories/2007/2289 ↗
- http://secunia.com/advisories/22097 ↗