Initial Publication Date: Advisory Status: Advisory Severity: Legacy ID
14 Aug 2008 Closed Medium
It is possible to circumvent the security patch that resolved a previously identified authentication bypass, remote code execution vulnerability in the Veritas Storage Foundation for Windows v5.0 Volume Manager Scheduler Service. Successful exploitation could result in potential compromise of the targeted system.
The Scheduler Service server, introduced in Veritas Storage Foundation for Windows v5.0, listens for incoming scheduling messages from client systems. An attacker with network access who could connect directly to the Scheduler Service socket could bypass the security update to the previously reported issue. By properly manipulating this vector, the attacker has the potential to add arbitrary commands to the registry that, if properly constructed, would be executed on the targeted system during normal scheduled runs.
This issue is a candidate for inclusion in the CVE list (http://cve.mitre.org), which standardizes names for security problems. A CVE Candidate name has be requested from the Common Vulnerabilities and Exposures (CVE) initiative for this issue. This advisory will be revised accordingly upon receipt of the CVE Candidate name.
Symantec engineers have verified and resolved this issue in the Veritas Storage Foundation for Windows versions and builds identified above.
Symantec recommends customers apply the latest product update available for their supported product versions 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 Tenable Security working through 3Com ZDI for reporting this issue and for providing coordination while Symantec resolved it.
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