CVE-2012-1573
MEDIUM severity · CVSS 5 · CWE-310
5CVSS MEDIUM
Summary
gnutls_cipher.c in libgnutls in GnuTLS before 2.12.17 and 3.x before 3.0.15 does not properly handle data encrypted with a block cipher, which allows remote attackers to cause a denial of service (heap memory corruption and application crash) via a crafted record, as demonstrated by a crafted GenericBlockCipher structure.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)4%
AV:N/AC:L/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.
Additional information
- NVD record
- http://archives.neohapsis.com/archives/bugtraq/2012-03/0099.html
- http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/5910
- http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/5912
- http://git.savannah.gnu.org/gitweb/?p=gnutls.git%3Ba=commit%3Bh=422214868061370aeeb0ac9cd0f021a5c350a57d
- http://git.savannah.gnu.org/gitweb/?p=gnutls.git%3Ba=commit%3Bh=b495740f2ff66550ca9395b3fda3ea32c3acb185
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077071.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076496.html
- http://blog.mudynamics.com/2012/03/20/gnutls-and-libtasn1-vulns/Exploit