Cluster Project DLM denial of service

clusterproject-dlm-dos (35516)

Low Risk

Description:

Cluster Project is vulnerable to a denial of service, caused by a vulnerability in the cluster manager. A remote attacker could exploit this vulnerability by connecting to the DLM to cause the DLM service to stop responding.

*CVSS:

Base Score:	3.5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	2.6
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

For Ubuntu Linux:
Refer to USN-489-1 and USN-489-2 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

• Cluster Project Web site: Cluster Project Page.
• BID-24968: Red Hat Cluster Suite DLM Remote Denial Of Service Vulnerability
• CVE-2007-3380: The Distributed Lock Manager (DLM) in the cluster manager for Linux kernel 2.6.15 allows remote attackers to cause a denial of service (loss of lock services) by connecting to the DLM port, which probably prevents other processes from accessing the service.
• RHSA-2007-0940: Important: kernel security update
• USN-489-1: Linux kernel vulnerabilities
• USN-489-2: redhat-cluster-suite vulnerability

Platforms Affected:

• Canonical Ubuntu 6.06 LTS
• RedHat Cluster Suite
• RedHat Enterprise Linux 5
• RedHat Enterprise Linux 5 Client

Reported:

Jul 19, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. 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 IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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