SYM08-016
24 September 2008
Symantec Veritas NetBackup Administration JAVA GUI Elevation of Privilege

Revision History
None

Risk Impact
Medium

Remote AccessYes
Local AccessNo
Authentication RequiredYes
Exploit availableNo

Overview
A non-privileged but authorized user could potentially leverage Symantec Veritas NetBackup JAVA Administration Graphical User Interface (GUI) to execute code with elevated privileges on the server.

Affected Products
ProductVersionPlatformSolution
Symantec Veritas NetBackup Enterprise Server and Symantec Veritas NetBackup Server5.1All5.1 MP7
6.0All6.0 MP7
6.5All6.5.2

Note: Product versions prior to those listed above are NOT supported. Customers running legacy product versions should upgrade and apply available updates.

Unaffected Products
ProductVersionPlatform
Symantec Veritas NetBackup Enterprise Server and Symantec Veritas NetBackup Server5.1 MP7All
6.0 MP7All
6.5.2All

Details
The Java Administration GUI (jnbSA) in affected versions of Veritas NetBackup could potentially allow an authorized but non-privileged user to run commands which would normally require a higher privilege to execute. The malicious user would need to be authenticated on the system and logged in to the GUI in order to attempt to exploit this vulnerability.

Symantec Response
Symantec engineers have verified that the vulnerability exists in the versions of Veritas NetBackup listed in the table above. Updates have been released to resolve the issue.

Symantec is not aware of any customers impacted by this issue, or of any attempts to exploit the issue.

The updates for affected products are available from the "Related Documents" section of the following Technote:

http://entsupport.symantec.com/docs/308583

Mitigation
A successful attacker must be logged in to the GUI to launch an attack. Access to the NetBackup server should be limited to trusted users.

Customers who want to limit exposure to any possibility of this type of attempt prior to upgrading can disable the JAVA GUI as follows:

move the bpjava* binaries out of ’/usr/openv/netbackup/bin’ (UNIX/Linux)

Or

out of ‘\VERITAS\Netbackup\bin’ (Windows)

Best Practices
As part of normal best practices, Symantec strongly recommends:

Credit
Symantec would like to thank Kyle Noonan of Sun Microsystems for reporting this issue and coordinating with us on the resolution.

References
SecurityFocus, http://www.securityfocus.com, has assigned BID 31221 to this issue

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 been 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.


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