gnu gnutls up to 3.0.6 lib/gnutls_session.c gnutls_session_get_data memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in gnu gnutls and classified as critical. This affects the function gnutls_session_get_data in the library lib/gnutls_session.c. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2011-4128. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in gnu gnutls (Network Encryption Software). This vulnerability affects the function gnutls_session_get_data in the library lib/gnutls_session.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. CVE summarizes:

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.

The weakness was shared 12/08/2011 as Bug 752308 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2011-4128. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 68504 (Oracle Linux 6 : gnutls (ELSA-2012-0429)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350688 (Amazon Linux Security Advisory for gnutls: ALAS-2012-059).

Upgrading to version 2.12.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (71227), Tenable (68504), SecurityFocus (BID 50609†) and Vulnerability Center (SBV-33905†). The entry VDB-4877 is related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 68504
Nessus Name: Oracle Linux 6 : gnutls (ELSA-2012-0429)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 70608
OpenVAS Name: FreeBSD Ports: gnutls
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: gnutls 2.12.0
Patch: 190cef6eed37d0e73a73c1e205eb31d45ab60a3c

Timelineinfo

10/18/2011 🔍
11/08/2011 +21 days 🔍
11/23/2011 +15 days 🔍
12/08/2011 +15 days 🔍
12/08/2011 +0 days 🔍
07/12/2013 +582 days 🔍
03/23/2015 +619 days 🔍
11/28/2021 +2442 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 752308
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4128 (🔍)
GCVE (CVE): GCVE-0-2011-4128
GCVE (VulDB): GCVE-100-59644

OVAL: 🔍
IAVM: 🔍

X-Force: 71227
SecurityFocus: 50609
Secunia: 48596
Vulnerability Center: 33905 - GnuTLS <2.12.4 and 3-3.0.6 gnutls_session_get_data() Remote Buffer Overflow Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/28/2021 08:27
Changes: 03/23/2015 16:50 (69), 04/05/2017 14:53 (7), 11/28/2021 08:26 (7), 11/28/2021 08:27 (1)
Complete: 🔍
Cache ID: 216:FFA:103

Once again VulDB remains the best source for vulnerability data.

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