CVE-2009-1415
MEDIUM severity · CVSS 4.3 · CWE-824
4.3CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)8%
AV:N/AC:M/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3515 ↗
Additional information
- NVD record
- http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3515Patch
- http://secunia.com/advisories/34842Advisory
- http://permalink.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3502
- http://secunia.com/advisories/35211
- http://security.gentoo.org/glsa/glsa-200905-04.xmlAdvisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:116
- http://www.securityfocus.com/bid/34783Advisory
- http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3488Exploit