CVE-2012-1569
The asn1_get_length_der function in decoding.c in GNU Libtasn1 before 2.12, as used in GnuTLS before 3.0.16 and other products, does not properly handle certain large length values, which allows remote attackers to cause a denial of service (heap memory…
Does this matter?
Lower severity and a low EPSS score (4.41%). Track it; it rarely justifies an emergency change on its own.
Description
The asn1_get_length_der function in decoding.c in GNU Libtasn1 before 2.12, as used in GnuTLS before 3.0.16 and other products, does not properly handle certain large length values, which allows remote attackers to cause a denial of service (heap memory corruption and application crash) or possibly have unspecified other impact via a crafted ASN.1 structure.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 4.41% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- gnu/gnutls · gnu/libtasn1
- Source
- secalert@redhat.com
References
- http://archives.neohapsis.com/archives/bugtraq/2012-03/0099.html
- http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/5932Patch
- http://article.gmane.org/gmane.comp.gnu.libtasn1.general/53
- http://article.gmane.org/gmane.comp.gnu.libtasn1.general/54
- http://blog.mudynamics.com/2012/03/20/gnutls-and-libtasn1-vulns/Exploit
- http://linux.oracle.com/errata/ELSA-2014-0596.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/076856.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/076865.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077284.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077339.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078207.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076699.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00001.html
- http://rhn.redhat.com/errata/RHSA-2012-0427.html
- http://rhn.redhat.com/errata/RHSA-2012-0488.html
- http://rhn.redhat.com/errata/RHSA-2012-0531.html
- http://secunia.com/advisories/48397
- http://secunia.com/advisories/48488
- http://secunia.com/advisories/48505
- http://secunia.com/advisories/48578
- http://secunia.com/advisories/48596
- http://secunia.com/advisories/49002
- http://secunia.com/advisories/50739
- http://secunia.com/advisories/57260
- http://www.debian.org/security/2012/dsa-2440
- http://www.gnu.org/software/gnutls/security.htmlVendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:039
- http://www.openwall.com/lists/oss-security/2012/03/20/3
- http://www.openwall.com/lists/oss-security/2012/03/20/8
- http://www.openwall.com/lists/oss-security/2012/03/21/5
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.