The Veritas Storage Foundation is based on the Veritas File System and Veritas Volume Manager products. It allows virtualization of storage over a variety of platforms. It contains a remote administration application to configure and monitor the elements of the storage network. More information can be found at the following URL.
Remote exploitation of a denial of service vulnerability in Symantec Corp.'s Veritas Storage Foundation scheduler service could allow an unauthenticated attacker to crash the service.
When the Veritas Scheduler service (VxSchedService.exe) encounters certain packets, an invalid memory access occurs causing the service to crash.
Exploitation of this vulnerability allows remote attackers to cause the affected service to terminate. In order to exploit this vulnerability, an attacker must be able to establish a TCP session with the service on port 4888. No authentication is required to reach the vulnerable code.
iDefense Labs have confirmed Veritas Storage Foundation for Windows version 5.0 (with VxSchedService.exe version 188.8.131.528) is vulnerable. It is suspected that all previous versions are vulnerable.
Applying filtering to the affected port, such that only hosts which need to use this service can access it, will help mitigate exposure to the vulnerability.
Symantec has addressed this vulnerability by releasing an update for Veritas Storage Foundation. More information is available in Symantec's advisory at the following URL.
The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2007-4516 to this issue. This is a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems.
08/15/2007 Initial vendor notification
08/15/2007 Initial vendor response
02/20/2008 Coordinated public disclosure
The discoverer of this vulnerability wishes to remain anonymous.
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Copyright © 2008 Verisign, Inc.
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