Symantec VERITAS NetBackup Database Manager Buffer Overflow

Risk: High
Local: No
Remote: Yes
CWE: CWE-Other

CVSS Base Score: 9/10
Impact Subscore: 10/10
Exploitability Subscore: 8/10
Exploit range: Remote
Attack complexity: Low
Authentication: Single time
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

ZDI-06-006: Symantec VERITAS NetBackup Database Manager Buffer Overflow March 27, 2006 -- CVE ID: CVE-2006-0990 -- Affected Vendor: Symantec VERITAS -- Affected Products: VERITAS NetBackup v6.0 -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability since January 23, 2006 by Digital Vaccine protection filter ID 4095. For further product information on the TippingPoint IPS: -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable Symantec VERITAS NetBackup installations. Authentication is not required to exploit this vulnerability. The specific flaw exists within the NetBackup Database Manager service (bpdbm.exe) due to insufficient bounds checking during a call to sprintf() that copies user-supplied data to a stack-based buffer. The vulnerable daemon listens on TCP port 13721. -- Vendor Response: Symantec engineers have addressed these issues in all currently supported versions of NetBackup. Symantec engineers did additional reviews and will continue on-going reviews of related file functionality to further enhance the overall security of Veritas NetBackup products and to eliminate any additional potential concerns. Security updates are available for all supported products. Symantec strongly recommends all customers immediately apply the latest cumulative Security Pack updates or Maintenance Pack releases as indicated for their supported product versions to protect against threats of this nature. -- Disclosure Timeline: 2006.01.24 - Vulnerability reported to vendor 2006.01.23 - Digital Vaccine released to TippingPoint customers 2006.03.24 - Vulnerability information provided to ZDI security partners 2006.03.27 - 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: 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.

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