Mission and Overview
NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).
Resource Status
NVD contains:

Last updated: 11/28/2014 1:53:07 AM

CVE Publication rate: 18.37

Email List

NVD provides four mailing lists to the public. For information and subscription instructions please visit NVD Mailing Lists

Workload Index
Vulnerability Workload Index: 8.12
About Us
NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

National Cyber Awareness System

Vulnerability Summary for CVE-2009-0591

Original release date: 03/27/2009
Last revised: 01/19/2011


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 2.6 (LOW) (AV:N/AC:H/Au:N/C:N/I:P/A:N) (legend)
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

Vendor Statements (disclaimer)

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

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: VUPEN
Name: ADV-2009-1548
External Source: VUPEN
Name: ADV-2009-1020
External Source: HP
Name: HPSBUX02435
External Source: CONFIRM
Name: http://www.php.net/archive/2009.php#id2009-04-08-1
External Source: XF
Name: openssl-cmsverify-security-bypass(49432)
External Source: NETBSD
Name: NetBSD-SA2009-008
External Source: SECUNIA
Name: 35380
External Source: CONFIRM
Name: https://kb.bluecoat.com/index?page=content&id=SA50
External Source: SECUNIA
Name: 35065
External Source: SECUNIA
Name: 34460
Type: Advisory
External Source: BID
Name: 34256
External Source: OSVDB
Name: 52865
External Source: CONFIRM
Name: http://sourceforge.net/project/shownotes.php?release_id=671059&group_id=116847
External Source: SECUNIA
Name: 34411
Type: Advisory
External Source: APPLE
Name: APPLE-SA-2009-09-10-2
External Source: SECUNIA
Name: 42724
External Source: VUPEN
Name: ADV-2009-0850
Type: Advisory
External Source: SUSE
Name: SUSE-SR:2009:010
External Source: SECTRACK
Name: 1021907
External Source: CONFIRM
Name: http://voodoo-circle.sourceforge.net/sa/sa-20090326-01.html
Type: Advisory
External Source: CONFIRM
Name: http://support.apple.com/kb/HT3865
External Source: CONFIRM
Name: http://www.openssl.org/news/secadv_20090325.txt
Type: Advisory
External Source: SECUNIA
Name: 42733
External Source: VUPEN
Name: ADV-2009-1175
External Source: SECUNIA
Name: 34666
External Source: SECUNIA
Name: 36701
External Source: SECUNIA
Name: 35729

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:openssl:openssl:0.9.8h
* cpe:/a:openssl:openssl:0.9.8i
* cpe:/a:openssl:openssl:0.9.8j

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)