Initial Publication Date: Advisory Status: Advisory Severity: CVSS Base Score:Legacy ID
20 Feb 2008 Closed Medium 4.3 SYM08-004
A Denial of Service (DoS) has been identified and resolved in the Veritas Storage Foundation for Windows v5.0 Volume Manager Scheduler Service. Successful exploitation results in a service halt requiring manual intervention by an administrator to restart the Scheduler Service.
iDefense Labs, notified Symantec of a DoS vulnerability discovered in the Veritas Storage Foundation for Windows Scheduler Service, VxSchedService.exe. The Scheduler Service, newly introduced in Symantec’s Veritas Storage Foundation for Windows v5.0, listens for incoming scheduling messages from client systems. An attacker with network access could successfully pass malformed packets to the service causing it to run out of processing memory. The service halt requires manual intervention by an administrator to restart the service and re-enable scheduling activity.
This vulnerability, if successfully exploited, would most likely be initiated by a malicious user authenticated on or with access to the local network since the affected service port should not normally be available externally to the authorized network.
The Common Vulnerabilities and Exposures (CVE) initiative has assigned CVE Candidate CVE-2007-4516 to this issue.
This issue is a candidate for inclusion in the CVE list (http://cve.mitre.org), which standardizes names for security problems. SecurityFocus has assigned Bugtraq ID BID 27440 to this issue for inclusion in the SecurityFocus vulnerability database.
Symantec takes the security of our products and our customers very seriously. Symantec engineers have verified and provided a fix for this issue in Symantec’s Veritas Storage Foundation for Windows 5.0.
Symantec recommends customers apply the latest product update to enhance their security posture and protect against potential security threats of this nature.
Symantec knows of no exploitation of or adverse customer impact from this issue.
As part of normal best practices, Symantec strongly recommends:
Restrict access to administration or management systems to privileged users.
Restrict remote access, if required, to trusted/authorized systems only.
Run under the principle of least privilege where possible to limit the impact of exploit by threats.
Keep all operating systems and applications updated with the latest vendor patches.
Follow a multi-layered approach to security. Run both firewall and anti-malware applications, at a minimum, to provide multiple points of detection and protection to both inbound and outbound threats.
Deploy network and host-based intrusion detection systems to monitor network traffic for signs of anomalous or suspicious activity. This may aid in detection of attacks or malicious activity related to exploitation of latent vulnerabilities
Symantec would like to thank iDefense Labs for reporting this issue and for providing full coordination while Symantec resolved it.
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