CVE-2011-4128

gnutls: buffer overflow in gnutls_session_get_data() (GNUTLS-SA-2011-2)

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Desbordamiento de búfer en la función gnutls_session_get_data en lib/gnutls_session.c en GnuTLS v2.12.x antes de v2.12.14 y v3.x antes de v3.0.7, cuando se utiliza en un cliente que realiza la reanudación de sesión no estándar, permite a los servidores remotos de TLS causar una denegación de servicio (caída de aplicación) a través de un SessionTicket grande.

New gnutls packages are available for Slackware 12.1, 12.2, 13.0, 13.1, and 13.37 to fix security issues. Related CVE Numbers: CVE-2011-4128,CVE-2012-1569,CVE-2012-1573,CVE-2013-1619,CVE-2013-2116.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Attack Vector

Network

Attack Complexity

High

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-10-18 CVE Reserved
2011-12-08 CVE Published
2024-08-07 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (16)

URL	Tag	Source
http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/5596	Mailing List
http://git.savannah.gnu.org/gitweb/?p=gnutls.git%3Ba=commitdiff%3Bh=190cef6eed37d0e73a73c1e205eb31d45ab60a3c	X_refsource_confirm
http://git.savannah.gnu.org/gitweb/?p=gnutls.git%3Ba=commitdiff%3Bh=e82ef4545e9e98cbcb032f55d7c750b81e3a0450	X_refsource_confirm
http://openwall.com/lists/oss-security/2011/11/09/2	Mailing List
http://openwall.com/lists/oss-security/2011/11/09/4	Mailing List
http://secunia.com/advisories/48596	Third Party Advisory
http://secunia.com/advisories/48712	Third Party Advisory
http://www.gnu.org/software/gnutls/security.html	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077071.html	2023-11-07
http://rhn.redhat.com/errata/RHSA-2012-0429.html	2023-11-07
http://rhn.redhat.com/errata/RHSA-2012-0488.html	2023-11-07
http://rhn.redhat.com/errata/RHSA-2012-0531.html	2023-11-07
http://www.mandriva.com/security/advisories?name=MDVSA-2012:045	2023-11-07
http://www.ubuntu.com/usn/USN-1418-1	2023-11-07
https://bugzilla.redhat.com/show_bug.cgi?id=752308	2012-03-27
https://access.redhat.com/security/cve/CVE-2011-4128	2012-03-27

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.0 Search vendor "Gnu" for product "Gnutls" and version "2.12.0"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.1 Search vendor "Gnu" for product "Gnutls" and version "2.12.1"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.2 Search vendor "Gnu" for product "Gnutls" and version "2.12.2"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.3 Search vendor "Gnu" for product "Gnutls" and version "2.12.3"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.4 Search vendor "Gnu" for product "Gnutls" and version "2.12.4"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.5 Search vendor "Gnu" for product "Gnutls" and version "2.12.5"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.6 Search vendor "Gnu" for product "Gnutls" and version "2.12.6"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.6.1 Search vendor "Gnu" for product "Gnutls" and version "2.12.6.1"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.7 Search vendor "Gnu" for product "Gnutls" and version "2.12.7"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.8 Search vendor "Gnu" for product "Gnutls" and version "2.12.8"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.9 Search vendor "Gnu" for product "Gnutls" and version "2.12.9"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.10 Search vendor "Gnu" for product "Gnutls" and version "2.12.10"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.11 Search vendor "Gnu" for product "Gnutls" and version "2.12.11"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.12 Search vendor "Gnu" for product "Gnutls" and version "2.12.12"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				2.12.13 Search vendor "Gnu" for product "Gnutls" and version "2.12.13"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				3.0.0 Search vendor "Gnu" for product "Gnutls" and version "3.0.0"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				3.0.1 Search vendor "Gnu" for product "Gnutls" and version "3.0.1"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				3.0.2 Search vendor "Gnu" for product "Gnutls" and version "3.0.2"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				3.0.3 Search vendor "Gnu" for product "Gnutls" and version "3.0.3"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				3.0.4 Search vendor "Gnu" for product "Gnutls" and version "3.0.4"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				3.0.5 Search vendor "Gnu" for product "Gnutls" and version "3.0.5"		-		Affected
Gnu Search vendor "Gnu"		Gnutls Search vendor "Gnu" for product "Gnutls"				3.0.6 Search vendor "Gnu" for product "Gnutls" and version "3.0.6"		-		Affected