53209 : Openswan Pluto IKE Daemon Dead Peer Detection NULL Dereference Remote DoS
Printer | http://osvdb.org/53209 | Email This | Edit Vulnerability

Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
4	1119	about 4 years ago	about 4 years ago	1 times	45%

This Entry needs help! It is only 45% Complete. Click the edit link above to add more information.

Contributing is fast and easy, and benefits the entire security community.

Timeline

Disclosure Date
2009-03-30

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-0790" target="_blank">CVE</a>)</em> : The pluto IKE daemon in Openswan and Strongswan IPsec 2.6 before 2.6.21 and 2.4 before 2.4.14, and Strongswan 4.2 before 4.2.14 and 2.8 before 2.8.9, allows remote attackers to cause a denial of service (daemon crash and restart) via a crafted (1) R_U_THERE or (2) R_U_THERE_ACK Dead Peer Detection (DPD) IPsec IKE Notification message that triggers a NULL pointer dereference related to inconsistent ISAKMP state and the lack of a phase2 state association in DPD.

Classification

Location: Remote / Network Access
Attack Type: Denial of Service
Impact: Loss of Availability
Solution: Upgrade
Disclosure: Vendor Verified

Solution

Upgrade to version 2.4.14, 2.6.21 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

Security Tracker: 1021949 1021950
CVE ID: 2009-0790 (see also: NVD)
Bugtraq ID: 34296
Secunia Advisory ID: 34472 34483 34493 34494 34546 34804 36688
ISS X-Force ID: 49523
Vendor Specific News/Changelog Entry: http://download.strongswan.org/CHANGES4.txt
http://lists.debian.org/debian-security-announce/2009/msg00069.html
http://lists.opensuse.org/opensuse-security-announce/2009-04/msg00010.html
http://www.openswan.org/CVE-2009-0790/CVE-2009-0790.txt
Other Advisory URL: http://www.debian.org/security/2009/dsa-1759
http://www.debian.org/security/2009/dsa-1760
http://www.openswan.org/CVE-2009-0790/CVE-2009-0790.txt
Vendor Specific Advisory URL: http://www.gentoo.org/security/en/glsa/glsa-200909-05.xml
RedHat RHSA: https://rhn.redhat.com/errata/RHSA-2009-0402.html
RHSA-2009:0402

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2009-04-01 | Disagree?

Comments

Add Comment Hide Add Comment

No Comments.

The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.