Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Gnutls | < 3.5.7 |
| Gnu | Libtasn1 | < 3.6 |
| Redhat | Virtualization | 6.0 |
| Debian | Debian Linux | 7.0 |
| Redhat | Enterprise Linux Desktop | 5.0 |
| Redhat | Enterprise Linux Eus | 6.5 |
| Redhat | Enterprise Linux Server | 5.0 |
| Redhat | Enterprise Linux Server Aus | 6.5 |
| Redhat | Enterprise Linux Server Tus | 6.5 |
| Redhat | Enterprise Linux Workstation | 5.0 |
| Suse | Linux Enterprise Desktop | 11 |
| Suse | Linux Enterprise High Availability Extension | 11 |
| Suse | Linux Enterprise Server | 11 |
| Suse | Linux Enterprise Software Development Kit | 11 |
| F5 | Arx Firmware | >= 6.0.0, <= 6.4.0 |
| F5 | Arx | - |
Related Weaknesses (CWE)
References
- http://advisories.mageia.org/MGASA-2014-0247.htmlThird Party Advisory
- http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=1c3ccb3e040bf13e342ee60PatchVendor Advisory
- http://linux.oracle.com/errata/ELSA-2014-0594.htmlThird Party Advisory
- http://linux.oracle.com/errata/ELSA-2014-0596.htmlThird Party Advisory
- http://lists.gnu.org/archive/html/help-libtasn1/2014-05/msg00006.htmlMailing ListPatchVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00002.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00015.htmlMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-0594.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-0596.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-0687.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-0815.htmlThird Party Advisory
- http://secunia.com/advisories/58591Third Party Advisory
- http://secunia.com/advisories/58614Third Party Advisory
- http://secunia.com/advisories/59021Third Party Advisory
- http://secunia.com/advisories/59057Third Party Advisory
FAQ
What is CVE-2014-3468?
CVE-2014-3468 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 acc...
How severe is CVE-2014-3468?
CVE-2014-3468 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-3468?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Gnutls, Gnu Libtasn1, Redhat Virtualization, Debian Debian Linux, Redhat Enterprise Linux Desktop.