Vulnerability Description
Buffer overflow in the gnutls_session_get_data function in lib/gnutls_session.c in GnuTLS 2.12.x before 2.12.14 and 3.x before 3.0.7, when used on a client that performs nonstandard session resumption, allows remote TLS servers to cause a denial of service (application crash) via a large SessionTicket.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Gnutls | 2.12.0 |
Related Weaknesses (CWE)
References
- http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/5596
- http://git.savannah.gnu.org/gitweb/?p=gnutls.git%3Ba=commitdiff%3Bh=190cef6eed37
- http://git.savannah.gnu.org/gitweb/?p=gnutls.git%3Ba=commitdiff%3Bh=e82ef4545e9e
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077071.html
- http://openwall.com/lists/oss-security/2011/11/09/2
- http://openwall.com/lists/oss-security/2011/11/09/4
- http://rhn.redhat.com/errata/RHSA-2012-0429.html
- http://rhn.redhat.com/errata/RHSA-2012-0488.html
- http://rhn.redhat.com/errata/RHSA-2012-0531.html
- http://secunia.com/advisories/48596
- http://secunia.com/advisories/48712
- http://www.gnu.org/software/gnutls/security.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:045
- http://www.ubuntu.com/usn/USN-1418-1
- https://bugzilla.redhat.com/show_bug.cgi?id=752308
FAQ
What is CVE-2011-4128?
CVE-2011-4128 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Buffer overflow in the gnutls_session_get_data function in lib/gnutls_session.c in GnuTLS 2.12.x before 2.12.14 and 3.x before 3.0.7, when used on a client that performs nonstandard session resumption...
How severe is CVE-2011-4128?
CVE-2011-4128 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-4128?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Gnutls.