National Cyber-Alert System
Vulnerability Summary for CVE-2009-0591
Original release date:03/27/2009
Last revised:06/16/2009
Source:
US-CERT/NIST
Overview
The CMS_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but was actually invalid.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification
- Official Statement from Red Hat (03/30/2009)
-
Not vulnerable. This issue affected OpenSSL CMS functionality which is not present in the openssl packages as shipped with Red Hat Enterprise Linux 2.1, 3, 4 or 5.
References to Advisories, Solutions, and Tools
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External Source: XF
Name: openssl-cmsverify-security-bypass(49432)
External Source: VUPEN
Name: ADV-2009-1548
External Source: VUPEN
Name: ADV-2009-1175
External Source: VUPEN
Name: ADV-2009-1020
External Source: VUPEN
Name: ADV-2009-0850
Type: Advisory
External Source: BID
Name: 34256
External Source: CONFIRM
Name: http://www.php.net/archive/2009.php#id2009-04-08-1
External Source: OSVDB
Name: 52865
External Source: CONFIRM
Name: http://www.openssl.org/news/secadv_20090325.txt
Type: Advisory
External Source: CONFIRM
Name: http://voodoo-circle.sourceforge.net/sa/sa-20090326-01.html
Type: Advisory
External Source: CONFIRM
Name: http://sourceforge.net/project/shownotes.php?release_id=671059&group_id=116847
External Source: SECTRACK
Name: 1021907
External Source: SECUNIA
Name: 35729
External Source: SECUNIA
Name: 35380
External Source: SECUNIA
Name: 35065
External Source: SECUNIA
Name: 34666
External Source: SECUNIA
Name: 34460
Type: Advisory
External Source: SECUNIA
Name: 34411
Type: Advisory
External Source: HP
Name: SSRT090059
External Source: HP
Name: SSRT090059
External Source: SUSE
Name: SUSE-SR:2009:010
External Source: NETBSD
Name: NetBSD-SA2009-008