ZDI-06-049: Symantec Veritas NetBackup Long Request Buffer Overflow Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-06-049.html December 13, 2006 -- CVE ID: CVE-2006-6222 -- Affected Vendor: Symantec -- Affected Products: Veritas NetBackup 6.0 < MP4 Veritas NetBackup 5.1 < MP6 Veritas NetBackup 5.0 < MP7 -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability since November 20, 2006 by Digital Vaccine protection filter ID 4505. For further product information on the TippingPoint IPS: http://www.tippingpoint.com -- Vulnerability Details: This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Symantec Veritas NetBackup. Authentication is not required to exploit this vulnerability. The specific flaw exists within bpcd.exe during the parsing of overly long requests to a NetBackup Master/Media Server. Communications to this process are prefixed with a length, which, if malformed can result in a stack based buffer overflow. Exploitation of this vulnerability can lead to complete system compromise. -- Vendor Response: Symantec has issued an update to correct this vulnerability. More details can be found at: http://www.symantec.com/avcenter/security/Content/2006.12.13a.html -- Disclosure Timeline: 2006.08.14 - Vulnerability reported to vendor 2006.11.20 - Digital Vaccine released to TippingPoint customers 2006.12.13 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by Sebastian Apelt. -- About the Zero Day Initiative (ZDI): Established by TippingPoint, a division of 3Com, The Zero Day Initiative (ZDI) represents a best-of-breed model for rewarding security researchers for responsibly disclosing discovered vulnerabilities. Researchers interested in getting paid for their security research through the ZDI can find more information and sign-up at: http://www.zerodayinitiative.com The ZDI is unique in how the acquired vulnerability information is used. 3Com does not re-sell the vulnerability details or any exploit code. Instead, upon notifying the affected product vendor, 3Com provides its customers with zero day protection through its intrusion prevention technology. Explicit details regarding the specifics of the vulnerability are not exposed to any parties until an official vendor patch is publicly available. Furthermore, with the altruistic aim of helping to secure a broader user base, 3Com provides this vulnerability information confidentially to security vendors (including competitors) who have a vulnerability protection or mitigation product.