VulnerabilityModified
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.
HIGH 7.5EPSS 3.79%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.79%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 3.79% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-131
- Affected
- gnu/gnutls · gnu/libtasn1 · redhat/virtualization · debian/debian linux · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server tus · redhat/enterprise linux workstation · suse/linux enterprise desktop · suse/linux enterprise high availability extension · suse/linux enterprise server · suse/linux enterprise software development kit · f5/arx firmware
- Source
- secalert@redhat.com
References
- http://advisories.mageia.org/MGASA-2014-0247.htmlThird Party Advisory
- http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=1c3ccb3e040bf13e342ee60bc23b21b97b11923fPatch, Vendor 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 List, Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00002.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00015.htmlMailing List, Third 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
- http://secunia.com/advisories/59408Third Party Advisory
- http://secunia.com/advisories/60320Third Party Advisory
- http://secunia.com/advisories/60415Third Party Advisory
- http://secunia.com/advisories/61888Third Party Advisory
- http://support.f5.com/kb/en-us/solutions/public/15000/400/sol15423.htmlThird Party Advisory
- http://www.debian.org/security/2014/dsa-3056Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:116Third Party Advisory
- http://www.novell.com/support/kb/doc.php?id=7015302Third Party Advisory
- http://www.novell.com/support/kb/doc.php?id=7015303Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1102323Issue Tracking, Third Party Advisory
- http://advisories.mageia.org/MGASA-2014-0247.htmlThird Party Advisory
- http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=1c3ccb3e040bf13e342ee60bc23b21b97b11923fPatch, Vendor 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 List, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.