CVE-2014-3468

HIGH 7.5CVE-2014-3468 · Published 05/06/2014 · updated 17/06/2026

In short

CVE-2014-3468 is a HIGH (CVSS 7.5) vulnerability affecting gnutls (gnu), libtasn1 (gnu), virtualization (redhat).
Chance of exploitation in the next 30 days (EPSS): 3.8%, higher than 90.0% of all vulnerabilities.
Fix: update to 3.5.7, 3.6 or later.

Package	Affected versions	Patched versions
gnutls gnu	`< 3.5.7`	`3.5.7`
libtasn1 gnu	`< 3.6`	`3.6`
virtualization redhat	`= 6.0`	No fix yet

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.

References

advisories.mageia.org/MGASA-2014-0247.html · Third Party Advisory
git.savannah.gnu.org/cgit/libtasn1.git/commit · Patch
linux.oracle.com/errata/ELSA-2014-0594.html · Third Party Advisory
linux.oracle.com/errata/ELSA-2014-0596.html · Third Party Advisory
lists.gnu.org/archive/html/help-libtasn1/2014-05/msg00006.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2014-06/msg00002.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2014-06/msg00015.html · Mailing List
rhn.redhat.com/errata/RHSA-2014-0594.html · Third Party Advisory
rhn.redhat.com/errata/RHSA-2014-0596.html · Third Party Advisory
rhn.redhat.com/errata/RHSA-2014-0687.html · Third Party Advisory
rhn.redhat.com/errata/RHSA-2014-0815.html

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