gnu gnutls up to 2.6.1 lib/pk-libgcrypt.c credentials management

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in gnu gnutls up to 2.6.1. Affected by this vulnerability is an unknown functionality in the library lib/pk-libgcrypt.c. The manipulation leads to credentials management. This vulnerability is listed as CVE-2009-1415. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in gnu gnutls up to 2.6.1 (Network Encryption Software) and classified as problematic. This issue affects an unknown functionality in the library lib/pk-libgcrypt.c. The manipulation with an unknown input leads to a credentials management vulnerability. Using CWE to declare the problem leads to CWE-255. Impacted is availability. The summary by CVE is:

lib/pk-libgcrypt.c in libgnutls in GnuTLS before 2.6.6 does not properly handle invalid DSA signatures, which allows remote attackers to cause a denial of service (application crash) and possibly have unspecified other impact via a malformed DSA key that triggers a (1) free of an uninitialized pointer or (2) double free.

The bug was discovered 04/30/2009. The weakness was presented 04/30/2009 by Miroslav Kratochvil (Website). The advisory is shared at article.gmane.org. The identification of this vulnerability is CVE-2009-1415 since 04/24/2009. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1552 for this issue.

A public exploit has been developed by Miroslav Kratochvil in ANSI C and been published immediately after the advisory. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 40661 (FreeBSD : GnuTLS -- multiple vulnerabilities (b31a1088-460f-11de-a11a-0022156e8794)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading to version 2.6.2 eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (50257), Exploit-DB (32964), Tenable (40661), SecurityFocus (BID 34783†) and OSVDB (54624†). See VDB-47995 and VDB-47994 for similar entries. Several companies clearly confirm that VulDB is the primary source for best 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: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Miroslav Kratochvil
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 40661
Nessus Name: FreeBSD : GnuTLS -- multiple vulnerabilities (b31a1088-460f-11de-a11a-0022156e8794)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 63965
OpenVAS Name: Slackware Advisory SSA:2009-128-01 gnutls
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: gnutls 2.6.2

Timelineinfo

04/24/2009 🔍
04/30/2009 +6 days 🔍
04/30/2009 +0 days 🔍
04/30/2009 +0 days 🔍
04/30/2009 +0 days 🔍
04/30/2009 +0 days 🔍
04/30/2009 +0 days 🔍
04/30/2009 +0 days 🔍
04/30/2009 +0 days 🔍
05/01/2009 +1 days 🔍
05/18/2009 +17 days 🔍
08/17/2009 +91 days 🔍
08/20/2009 +3 days 🔍
03/17/2015 +2035 days 🔍
12/04/2024 +3550 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: article.gmane.org
Researcher: Miroslav Kratochvil
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-1415 (🔍)
GCVE (CVE): GCVE-0-2009-1415
GCVE (VulDB): GCVE-100-47993
X-Force: 50257
SecurityFocus: 34783 - GnuTLS Prior to 2.6.6 Multiple Remote Vulnerabilities
Secunia: 34842
OSVDB: 54624 - CVE-2009-1415 - GnuTLS - Denial-of-Service Issue
SecurityTracker: 1022157
Vulnerability Center: 22047 - GnuTLS < 2.6.6 lib/pk-libgcrypt.c Remote DoS and Possibly Code Execution via a Malformed DSA Key, High
Vupen: ADV-2009-1218

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 12/04/2024 06:34
Changes: 03/17/2015 23:38 (92), 09/04/2019 09:26 (4), 12/04/2024 06:34 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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