IPsec Tools isakmp_info_recv() denial of service
| ipsectools-isakmpinforecv-dos (33541) |  Low Risk |
Description:
IPsec Tools are vulnerable to a denial of service, caused by a vulnerability in the IPSec key exchange server. By sending specially-crafted packets using the isakmp_info_recv() function, a remote attacker could exploit this vulnerability to disrupt an existing IPSec tunnel, resulting in a denial of service.
Platforms Affected:
- Canonical, Ubuntu 5.10
- Canonical, Ubuntu 6.06 LTS
- Canonical, Ubuntu 6.10
- Debian, Debian Linux 4.0
- Gentoo, Linux
- IPsec-Tools, IPsec-Tools 0.6.6 and prior
- MandrakeSoft, Mandrake Linux 2007
- MandrakeSoft, Mandrake Linux 2007 X86_64
- MandrakeSoft, Mandrake Linux 2007.1 X86_64
- MandrakeSoft, Mandrake Linux 2007.1
- MandrakeSoft, Mandrake Linux 2008.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 4.0
- MandrakeSoft, Mandrake Multi Network Firewall 2.0
- RedHat, Enterprise Linux 5
- RedHat, Enterprise Linux 5 Client
- RedHat, Enterprise Linux 5 Client Workstation
Remedy:
Upgrade to the latest version of IPsec Tools (0.6.7 or later), available from SourceForge.net: Files. See References.
For Ubuntu Linux (IPsec Tools):
Refer to USN-450-1 for patch, upgrade, or suggested workaround information. See References.
For Mandriva Linux (ipsec-tools):
Refer to MDKSA-2007:084 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux (ipsec-tools):
Refer to GLSA 200705-09 for patch, upgrade, or suggested workaround information. See References.
For Red Hat Linux (ipsec-tools):
Refer to RHSA-2007:0342 for patch, upgrade, or suggested workaround information. See References.
For Debian GNU/Linux (ipsec-tools):
Refer to DSA-1299 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Denial of Service
References:
- SourceForge.net: Files, IPsec Tools - File Release Notes and Changelog - Release Name: 0.6.7 at http://sourceforge.net/project/shownotes.php?release_id=499192&group_id=74601.
- BID-23394: IPSec-Tools Remote Denial Of Service Vulnerability
- CVE-2007-1841: The isakmp_info_recv function in src/racoon/isakmp_inf.c in racoon in Ipsec-tools before 0.6.7 allows remote attackers to cause a denial of service (tunnel crash) via crafted (1) DELETE (ISAKMP_NPTYPE_D) and (2) NOTIFY (ISAKMP_NPTYPE_N) messages.
- DSA-1299: ipsec-tools -- missing input sanitising
- FrSIRT/ADV-2007-1310: IPsec Tools isakmp_info_recv() Packets Handling Denial of Service Vulnerability
- GLSA-200705-09: IPsec-Tools: Denial of Service
- MDKSA-2007:084: Updated ipsec-tools packages fix DoS vulnerability
- RHSA-2007-0342: Moderate: ipsec-tools security update
- SA24815: IPsec Tools "isakmp_inf.c" Denial of Service
- SECTRACK ID: 1018086: IPsec-Tools isakmp_info_recv() Function Lets Remote Users Deny Service
- USN-450-1: ipsec-tools vulnerability
Reported:
Apr 09, 2007
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