National Cyber Awareness System

Vulnerability Summary for CVE-2012-1569

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: MLIST

Name: [gnutls-devel] 20120316 gnutls 3.0.16

Type: Patch Information

Hyperlink:http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/5932

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=804920

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=804920

External Source: MLIST

Name: [oss-security] 20120321 Re: CVE request: GnuTLS TLS record handling issue / MU-201202-01

Hyperlink:http://www.openwall.com/lists/oss-security/2012/03/21/5

External Source: MLIST

Name: [oss-security] 20120320 Re: CVE request: libtasn1

Hyperlink:http://www.openwall.com/lists/oss-security/2012/03/20/8

External Source: MLIST

Name: [oss-security] 20120320 CVE request: libtasn1

Hyperlink:http://www.openwall.com/lists/oss-security/2012/03/20/3

External Source: CONFIRM

Name: http://www.gnu.org/software/gnutls/security.html

Type: Advisory

Hyperlink:http://www.gnu.org/software/gnutls/security.html

External Source: SECUNIA

Name: 50739

Hyperlink:http://secunia.com/advisories/50739

External Source: SECUNIA

Name: 48596

Hyperlink:http://secunia.com/advisories/48596

External Source: SECUNIA

Name: 48488

Hyperlink:http://secunia.com/advisories/48488

External Source: SECUNIA

Name: 48397

Hyperlink:http://secunia.com/advisories/48397

External Source: REDHAT

Name: RHSA-2012:0531

Hyperlink:http://rhn.redhat.com/errata/RHSA-2012-0531.html

External Source: REDHAT

Name: RHSA-2012:0488

Hyperlink:http://rhn.redhat.com/errata/RHSA-2012-0488.html

External Source: FEDORA

Name: FEDORA-2012-4409

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2012-March/076699.html

External Source: FEDORA

Name: FEDORA-2012-4451

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077284.html

External Source: MISC

Name: http://blog.mudynamics.com/2012/03/20/gnutls-and-libtasn1-vulns/

Hyperlink:http://blog.mudynamics.com/2012/03/20/gnutls-and-libtasn1-vulns/

External Source: MLIST

Name: [help-libtasn1] 20120319 minimal fix to security issue

Hyperlink:http://article.gmane.org/gmane.comp.gnu.libtasn1.general/54

External Source: MLIST

Name: [help-libtasn1] 20120319 GNU Libtasn1 2.12 released

Hyperlink:http://article.gmane.org/gmane.comp.gnu.libtasn1.general/53

External Source: BUGTRAQ

Name: 20120320 Mu Dynamics, Inc. Security Advisories MU-201202-01 and MU-201202-02 for GnuTLS and Libtasn1

Hyperlink:http://archives.neohapsis.com/archives/bugtraq/2012-03/0099.html