Gnu GnuTLS up to 3.2.11 Certificates lib/x509/verify.c cryptographic issue

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Gnu GnuTLS. This issue affects some unknown processing in the library lib/x509/verify.c of the component Certificates. Such manipulation leads to cryptographic issue. This vulnerability is traded as CVE-2014-0092. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Gnu GnuTLS (Network Encryption Software). It has been rated as critical. Affected by this issue is an unknown code block in the library lib/x509/verify.c of the component Certificates. The manipulation with an unknown input leads to a cryptographic issue vulnerability. Using CWE to declare the problem leads to CWE-310. Impacted is confidentiality, and integrity. CVE summarizes:

lib/x509/verify.c in GnuTLS before 3.1.22 and 3.2.x before 3.2.12 does not properly handle unspecified errors when verifying X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers via a crafted certificate.

The weakness was shared 03/06/2014 by Suman Jana as Bug 1069865 as not defined bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability is handled as CVE-2014-0092 since 12/03/2013. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1600 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 73038 (Fedora 19 : mingw-gnutls-3.1.22-1.fc19 (2014-3493)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350791 (Amazon Linux Security Advisory for gnutls: AL2012-2015-040).

Upgrading to version 3.2.0 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 13997.

The vulnerability is also documented in the databases at Tenable (73038), SecurityFocus (BID 65559†), Secunia (SA56933†) and Vulnerability Center (SBV-43461†). The entry VDB-12323 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
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: 73038
Nessus Name: Fedora 19 : mingw-gnutls-3.1.22-1.fc19 (2014-3493)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881893
OpenVAS Name: CentOS Update for gnutls CESA-2014:0246 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: GnuTLS 3.2.0
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

12/03/2013 🔍
02/12/2014 +71 days 🔍
03/03/2014 +19 days 🔍
03/04/2014 +1 days 🔍
03/06/2014 +2 days 🔍
03/06/2014 +0 days 🔍
03/06/2014 +0 days 🔍
03/17/2014 +11 days 🔍
03/24/2015 +372 days 🔍
05/07/2026 +4062 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 1069865
Researcher: Suman Jana
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-0092 (🔍)
GCVE (CVE): GCVE-0-2014-0092
GCVE (VulDB): GCVE-100-66554

OVAL: 🔍

SecurityFocus: 65559 - GnuTLS CVE-2014-1959 Certificate Validation Security Bypass Weakness
Secunia: 56933 - Ubuntu update for gnutls26, Moderately Critical
Vulnerability Center: 43461 - GnuTLS Remote Man-in-the-Middle Attack due to Security Bypass Vulnerability of X509 Certificates, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 05/07/2026 05:01
Changes: 03/24/2015 15:54 (76), 05/22/2017 09:17 (11), 02/03/2022 10:05 (3), 05/07/2026 05:01 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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