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Last updated: 12/25/2014 7:09:16 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2009-1416

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

Overview

lib/gnutls_pk.c in libgnutls in GnuTLS 2.5.0 through 2.6.5 generates RSA keys stored in DSA structures, instead of the intended DSA keys, which might allow remote attackers to spoof signatures on certificates or have unspecified other impact by leveraging an invalid DSA key.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; 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: VUPEN
Name: ADV-2009-1218
External Source: GENTOO
Name: GLSA-200905-04
External Source: MLIST
Name: [gnutls-devel] 20090430 All DSA keys generated using GnuTLS 2.6.x are corrupt [GNUTLS-SA-2009-2] [CVE-2009-1416]
Type: Patch Information; Exploit
External Source: MLIST
Name: [help-gnutls] 20090420 Encryption using DSA keys
Type: Advisory
External Source: SECUNIA
Name: 34842
Type: Advisory
External Source: BID
Name: 34783
External Source: SECUNIA
Name: 35211
External Source: MANDRIVA
Name: MDVSA-2009:116
External Source: SECTRACK
Name: 1022158

Technical Details

Vulnerability Type (View All)