National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-1416 Detail

Description

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.

Source:  MITRE      Last Modified:  04/30/2009

Quick Info

CVE Dictionary Entry:
CVE-2009-1416
Original release date:
04/30/2009
Last revised:
06/10/2009
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.5 HIGH
Vector:
(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:
Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; 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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Hyperlink Resource Type Source Name
http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3516 Exploit; Patch External Source MLIST [gnutls-devel] 20090430 All DSA keys generated using GnuTLS 2.6.x are corrupt [GNUTLS-SA-2009-2] [CVE-2009-1416]
http://lists.gnu.org/archive/html/help-gnutls/2009-04/msg00018.html Vendor Advisory External Source MLIST [help-gnutls] 20090420 Encryption using DSA keys
http://security.gentoo.org/glsa/glsa-200905-04.xml External Source GENTOO GLSA-200905-04
http://www.mandriva.com/security/advisories?name=MDVSA-2009:116 External Source MANDRIVA MDVSA-2009:116
http://www.securityfocus.com/bid/34783 External Source BID 34783
http://www.securitytracker.com/id?1022158 External Source SECTRACK 1022158
http://www.vupen.com/english/advisories/2009/1218 External Source VUPEN ADV-2009-1218

Technical Details

Vulnerability Type (View All)

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