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Last updated: 9/16/2014 7:28:25 PM

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Vulnerability Summary for CVE-2009-1415

Original release date: 04/30/2009
Last revised: 06/10/2009
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/21/2009)
Not vulnerable. This issue did not affect versions of gnutls shipped in Red Hat Enterprise Linux 4 and 5 as it only affected gnutls 2.6.x versions.

References to Advisories, Solutions, and Tools

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External Source: XF
Name: gnutls-dsa-dos(50260)
External Source: XF
Name: gnutls-dsa-code-execution(50257)
External Source: SECUNIA
Name: 35211
External Source: BID
Name: 34783
External Source: MANDRIVA
Name: MDVSA-2009:116
External Source: MLIST
Name: [gnutls-devel] 20090423 Re: some crashes on using DSA keys
External Source: VUPEN
Name: ADV-2009-1218
External Source: SECTRACK
Name: 1022157
External Source: CONFIRM
Name: http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3488
External Source: GENTOO
Name: GLSA-200905-04
External Source: XF
Name: gnutls-libgnutls-dos(50445)
External Source: SECUNIA
Name: 34842
Type: Advisory
External Source: MLIST
Name: [gnutls-devel] 20090430 Double free and free of invalid pointer on certain errors [GNUTLS-SA-2009-1] [CVE-2009-1415]
Type: Patch Information

Vulnerable software and versions

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* cpe:/a:gnu:gnutls:1.0.22
* cpe:/a:gnu:gnutls:1.0.23
* cpe:/a:gnu:gnutls:1.0.20
* cpe:/a:gnu:gnutls:1.0.21
* cpe:/a:gnu:gnutls:1.0.18
* cpe:/a:gnu:gnutls:1.0.19
* cpe:/a:gnu:gnutls:1.0.16
* cpe:/a:gnu:gnutls:1.0.17
* cpe:/a:gnu:gnutls:1.0.24
* cpe:/a:gnu:gnutls:1.1.21
* cpe:/a:gnu:gnutls:1.1.20
* cpe:/a:gnu:gnutls:1.1.13
* cpe:/a:gnu:gnutls:1.1.18
* cpe:/a:gnu:gnutls:1.1.19
* cpe:/a:gnu:gnutls:1.1.16
* cpe:/a:gnu:gnutls:1.1.17
* cpe:/a:gnu:gnutls:1.1.14
* cpe:/a:gnu:gnutls:1.1.15
* cpe:/a:gnu:gnutls:1.0.25
* cpe:/a:gnu:gnutls:1.1.23
* cpe:/a:gnu:gnutls:1.1.22
* cpe:/a:gnu:gnutls:1.2.1
* cpe:/a:gnu:gnutls:1.2.0
* cpe:/a:gnu:gnutls:1.2.11
* cpe:/a:gnu:gnutls:1.2.10
* cpe:/a:gnu:gnutls:1.2.3
* cpe:/a:gnu:gnutls:1.2.2
* cpe:/a:gnu:gnutls:1.2.5
* cpe:/a:gnu:gnutls:1.2.4
* cpe:/a:gnu:gnutls:1.2.9
* cpe:/a:gnu:gnutls:1.3.0
* cpe:/a:gnu:gnutls:1.3.1
* cpe:/a:gnu:gnutls:1.3.2
* cpe:/a:gnu:gnutls:1.3.3
* cpe:/a:gnu:gnutls:1.3.4
* cpe:/a:gnu:gnutls:1.2.7
* cpe:/a:gnu:gnutls:1.2.6
* cpe:/a:gnu:gnutls:1.2.8.1a1
* cpe:/a:gnu:gnutls:1.2.8
* cpe:/a:gnu:gnutls:1.3.5
* cpe:/a:gnu:gnutls:1.4.0
* cpe:/a:gnu:gnutls:1.4.1
* cpe:/a:gnu:gnutls:1.5.0
* cpe:/a:gnu:gnutls:1.4.4
* cpe:/a:gnu:gnutls:1.4.3
* cpe:/a:gnu:gnutls:1.4.2
* cpe:/a:gnu:gnutls:1.4.5
* cpe:/a:gnu:gnutls:1.5.2
* cpe:/a:gnu:gnutls:1.5.1
* cpe:/a:gnu:gnutls:1.6.1
* cpe:/a:gnu:gnutls:1.6.2
* cpe:/a:gnu:gnutls:1.5.5
* cpe:/a:gnu:gnutls:1.6.0
* cpe:/a:gnu:gnutls:1.7.0
* cpe:/a:gnu:gnutls:1.7.1
* cpe:/a:gnu:gnutls:1.5.4
* cpe:/a:gnu:gnutls:1.7.10
* cpe:/a:gnu:gnutls:1.5.3
* cpe:/a:gnu:gnutls:1.6.3
* cpe:/a:gnu:gnutls:1.7.14
* cpe:/a:gnu:gnutls:1.7.15
* cpe:/a:gnu:gnutls:1.7.12
* cpe:/a:gnu:gnutls:1.7.13
* cpe:/a:gnu:gnutls:1.7.18
* cpe:/a:gnu:gnutls:1.7.2
* cpe:/a:gnu:gnutls:1.7.19
* cpe:/a:gnu:gnutls:1.7.16
* cpe:/a:gnu:gnutls:1.7.17
* cpe:/a:gnu:gnutls:1.7.11
* cpe:/a:gnu:gnutls:1.7.3
* cpe:/a:gnu:gnutls:1.7.6
* cpe:/a:gnu:gnutls:2.0.2
* cpe:/a:gnu:gnutls:1.7.7
* cpe:/a:gnu:gnutls:1.7.4
* cpe:/a:gnu:gnutls:2.0.0
* cpe:/a:gnu:gnutls:1.7.5
* cpe:/a:gnu:gnutls:2.0.1
* cpe:/a:gnu:gnutls:1.7.8
* cpe:/a:gnu:gnutls:1.7.9
* cpe:/a:gnu:gnutls:2.1.7
* cpe:/a:gnu:gnutls:2.1.6
* cpe:/a:gnu:gnutls:2.1.5
* cpe:/a:gnu:gnutls:2.0.4
* cpe:/a:gnu:gnutls:2.1.4
* cpe:/a:gnu:gnutls:2.0.3
* cpe:/a:gnu:gnutls:2.1.2
* cpe:/a:gnu:gnutls:2.1.3
* cpe:/a:gnu:gnutls:2.1.0
* cpe:/a:gnu:gnutls:2.1.1
* cpe:/a:gnu:gnutls:2.2.2
* cpe:/a:gnu:gnutls:2.2.1
* cpe:/a:gnu:gnutls:2.2.0
* cpe:/a:gnu:gnutls:2.2.5
* cpe:/a:gnu:gnutls:2.3.1
* cpe:/a:gnu:gnutls:2.2.4
* cpe:/a:gnu:gnutls:2.3.0
* cpe:/a:gnu:gnutls:2.1.8
* cpe:/a:gnu:gnutls:2.2.3
* cpe:/a:gnu:gnutls:2.3.10
* cpe:/a:gnu:gnutls:2.3.11
* cpe:/a:gnu:gnutls:2.3.2
* cpe:/a:gnu:gnutls:2.3.6
* cpe:/a:gnu:gnutls:2.3.5
* cpe:/a:gnu:gnutls:2.3.4
* cpe:/a:gnu:gnutls:2.3.3
* cpe:/a:gnu:gnutls:2.3.9
* cpe:/a:gnu:gnutls:2.3.8
* cpe:/a:gnu:gnutls:2.3.7
* cpe:/a:gnu:gnutls:2.4.0
* cpe:/a:gnu:gnutls:2.4.2
* cpe:/a:gnu:gnutls:2.4.1
* cpe:/a:gnu:gnutls:2.6.0
* cpe:/a:gnu:gnutls:2.6.1
* cpe:/a:gnu:gnutls:2.6.2
* cpe:/a:gnu:gnutls:2.6.3
* cpe:/a:gnu:gnutls:2.6.4
* cpe:/a:gnu:gnutls:2.6.5 and previous versions
* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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