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Last updated: 10/31/2014 11:30:03 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2011-4128

Original release date: 12/08/2011
Last revised: 05/03/2013
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: UBUNTU
Name: USN-1418-1
External Source: SECUNIA
Name: 48596
External Source: MLIST
Name: [gnutls-devel] 20111108 Possible buffer overflow on gnutls_session_get_data
External Source: MLIST
Name: [oss-security] 20111109 Re: CVE request: gnutls possible DoS (GNUTLS-SA-2011-2)
External Source: SECUNIA
Name: 48712
External Source: CONFIRM
Name: http://www.gnu.org/software/gnutls/security.html
External Source: CONFIRM
Name: http://git.savannah.gnu.org/gitweb/?p=gnutls.git;a=commitdiff;h=e82ef4545e9e98cbcb032f55d7c750b81e3a0450
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=752308
External Source: REDHAT
Name: RHSA-2012:0488
External Source: REDHAT
Name: RHSA-2012:0531
External Source: REDHAT
Name: RHSA-2012:0429
External Source: MLIST
Name: [oss-security] 20111108 CVE request: gnutls possible DoS (GNUTLS-SA-2011-2)
External Source: CONFIRM
Name: http://git.savannah.gnu.org/gitweb/?p=gnutls.git;a=commitdiff;h=190cef6eed37d0e73a73c1e205eb31d45ab60a3c

Technical Details

Vulnerability Type (View All)