National Cyber Awareness System
Vulnerability Summary for CVE-2009-0789
Original release date:03/27/2009
Last revised:10/26/2011
Source:
US-CERT/NIST
Overview
OpenSSL before 0.9.8k on WIN64 and certain other platforms does not properly handle a malformed ASN.1 structure, which allows remote attackers to cause a denial of service (invalid memory access and application crash) by placing this structure in the public key of a certificate, as demonstrated by an RSA public key.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
Official Statement from Red Hat (03/30/2009)
Not vulnerable. This issue only affects a small number of operating systems and does not affect 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: BID
Name: 34256
Type: Patch Information
External Source: CONFIRM
Name: https://kb.bluecoat.com/index?page=content&id=SA50
External Source: XF
Name: openssl-asn1-structure-dos(49433)
External Source: VUPEN
Name: ADV-2009-1548
Type: Advisory
External Source: VUPEN
Name: ADV-2009-1175
Type: Advisory
External Source: VUPEN
Name: ADV-2009-1020
Type: Advisory
External Source: VUPEN
Name: ADV-2009-0850
Type: Advisory
External Source: CONFIRM
Name: http://www.php.net/archive/2009.php#id2009-04-08-1
External Source: OSVDB
Name: 52866
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
External Source: CONFIRM
Name: http://support.apple.com/kb/HT3865
External Source: CONFIRM
Name: http://sourceforge.net/project/shownotes.php?release_id=671059&group_id=116847
External Source: SECTRACK
Name: 1021906
External Source: SECUNIA
Name: 42733
Type: Advisory
External Source: SECUNIA
Name: 42724
Type: Advisory
External Source: SECUNIA
Name: 36701
Type: Advisory
External Source: SECUNIA
Name: 35729
Type: Advisory
External Source: SECUNIA
Name: 35380
Type: Advisory
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-SU-2011:0847
External Source: SUSE
Name: openSUSE-SU-2011:0845
External Source: SUSE
Name: SUSE-SR:2009:010
External Source: APPLE
Name: APPLE-SA-2009-09-10-2
External Source: NETBSD
Name: NetBSD-SA2009-008