CVE-2014-3468

Related Vulnerabilities: CVE-2014-3468  

The asn1_get_bit_der function in GNU Libtasn1 before 3.6 does not properly report an error when a negative bit length is identified, which allows context-dependent attackers to cause out-of-bounds access via crafted ASN.1 data.

The MITRE CVE dictionary describes this issue as:

The asn1_get_bit_der function in GNU Libtasn1 before 3.6 does not properly report an error when a negative bit length is identified, which allows context-dependent attackers to cause out-of-bounds access via crafted ASN.1 data.

Find out more about CVE-2014-3468 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 6.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (libtasn1) RHSA-2014:0596 2014-06-03
Red Hat Enterprise Linux 7 (libtasn1) RHSA-2014:0687 2014-06-10
RHEV Hypervisor for RHEL-6 (rhev-hypervisor6) RHSA-2014:0815 2014-06-30
Red Hat Enterprise Linux 5 (gnutls) RHSA-2014:0594 2014-06-03

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 mingw32-gnutls Will not fix
Red Hat Enterprise Linux 4 gnutls Will not fix

Acknowledgements

Red Hat would like to thank GnuTLS upstream for reporting this issue.