National Cyber Awareness System
Vulnerability Summary for CVE-2009-2185
Original release date:06/25/2009
Last revised:08/21/2010
Source:
US-CERT/NIST
Overview
The ASN.1 parser (pluto/asn1.c, libstrongswan/asn1/asn1.c, libstrongswan/asn1/asn1_parser.c) in (a) strongSwan 2.8 before 2.8.10, 4.2 before 4.2.16, and 4.3 before 4.3.2; and (b) openSwan 2.6 before 2.6.22 and 2.4 before 2.4.15 allows remote attackers to cause a denial of service (pluto IKE daemon crash) via an X.509 certificate with (1) crafted Relative Distinguished Names (RDNs), (2) a crafted UTCTIME string, or (3) a crafted GENERALIZEDTIME string.
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
References to Advisories, Solutions, and Tools
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External Source: BID
Name: 35452
Type: Patch Information
External Source: FEDORA
Name: FEDORA-2009-7478
External Source: FEDORA
Name: FEDORA-2009-7423
External Source: VUPEN
Name: ADV-2009-3354
External Source: VUPEN
Name: ADV-2009-1829
External Source: VUPEN
Name: ADV-2009-1706
External Source: VUPEN
Name: ADV-2009-1639
Type: Advisory
External Source: SECTRACK
Name: 1022428
External Source: REDHAT
Name: RHSA-2009:1138
External Source: CONFIRM
Name: http://www.ingate.com/Relnote.php?ver=481
External Source: DEBIAN
Name: DSA-1899
External Source: DEBIAN
Name: DSA-1898
External Source: CONFIRM
Name: http://up2date.astaro.com/2009/07/up2date_7404_released.html
External Source: SECUNIA
Name: 37504
External Source: SECUNIA
Name: 36950
External Source: SECUNIA
Name: 36922
External Source: SECUNIA
Name: 35804
External Source: SECUNIA
Name: 35740
External Source: SECUNIA
Name: 35698
External Source: SECUNIA
Name: 35522
Type: Advisory
External Source: OVAL
Name: oval:org.mitre.oval:def:11079
External Source: CONFIRM
Name: http://download.strongswan.org/CHANGES42.txt
Type: Advisory
External Source: CONFIRM
Name: http://download.strongswan.org/CHANGES4.txt
Type: Advisory
External Source: CONFIRM
Name: http://download.strongswan.org/CHANGES2.txt
Type: Advisory
References to Check Content
Identifier:oval:org.mitre.oval:def:11079
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5