GnuTLS up to 3.3.12 Signature certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in GnuTLS up to 3.3.12. The affected element is an unknown function of the component Signature Handler. Such manipulation leads to certificate validation. This vulnerability is referenced as CVE-2015-0294. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GnuTLS up to 3.3.12 (Network Encryption Software). Affected by this issue is an unknown part of the component Signature Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. CVE summarizes:

GnuTLS before 3.3.13 does not validate that the signature algorithms match when importing a certificate.

The weakness was published 04/22/2023 as 6e76e9b9fa845b76b0b9a45f05f4b54a052578ff. The advisory is available at gitlab.com. This vulnerability is handled as CVE-2015-0294 since 11/18/2014. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 83715 (SUSE SLED12 / SLES12 Security Update : gnutls (SUSE-SU-2015:0735-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 167740 (SUSE Enterprise Linux Security update for GnuTLS (SUSE-SU-2015:0675-1)).

Upgrading to version 3.3.13 eliminates this vulnerability. Applying the patch 6e76e9b9fa845b76b0b9a45f05f4b54a052578ff is able to eliminate this problem. The bugfix is ready for download at gitlab.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (83715). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
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: 83715
Nessus Name: SUSE SLED12 / SLES12 Security Update : gnutls (SUSE-SU-2015:0735-1)
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: GnuTLS 3.3.13
Patch: 6e76e9b9fa845b76b0b9a45f05f4b54a052578ff

Timelineinfo

11/18/2014 🔍
05/20/2015 +182 days 🔍
04/21/2023 +2893 days 🔍
04/22/2023 +0 days 🔍
12/02/2024 +590 days 🔍

Sourcesinfo

Advisory: 6e76e9b9fa845b76b0b9a45f05f4b54a052578ff
Status: Confirmed

CVE: CVE-2015-0294 (🔍)
GCVE (CVE): GCVE-0-2015-0294
GCVE (VulDB): GCVE-100-227090

Entryinfo

Created: 04/22/2023 00:53
Updated: 12/02/2024 11:45
Changes: 04/22/2023 00:53 (60), 06/07/2024 10:53 (18), 12/02/2024 11:45 (3)
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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