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BrightStor ARCserve Backup Agents Buffer Overflow Vulnerability
Secunia Advisory: SA16316
Release Date: 2005-08-03
Last Update: 2005-08-08
Popularity: 10,204 views

Critical:
Moderately critical
Impact: System access
Where: From local network
Solution Status: Vendor Patch

Software:BrightStor ARCserve Backup 11.x
BrightStor ARCserve Backup 11.x (for Windows)
BrightStor ARCserve Backup 9.x
BrightStor Enterprise Backup 10.x

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CVE reference:CVE-2005-1272


Description:
A vulnerability has been reported in BrightStor ARCserve Backup, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the Backup Agents and can be exploited to cause a stack-based buffer overflow by sending a specially crafted string of over 3168 bytes to port 6070.

Successful exploitation allows arbitrary code execution with SYSTEM privileges.

The vulnerability has been reported in several BrightStor ARCserve Backup Agents (such as Backup Agent for Microsoft SQL server and Backup Agent for Oracle) in the following product versions:
* BrightStor ARCserve Backup r11.1 Windows
* BrightStor ARCserve Backup 11 for Windows
* BrightStor ARCserve Backup 9.01 Windows
* BrightStor Enterprise Backup v10.0 for Windows
* BrightStor Enterprise Backup v10.5 for Windows

Solution:
Apply patches.

BrightStor ARCserve Backup r11.1 for Windows:
http://supportconnect.ca.com/sc/redir.jsp?reqPage=search&searchID=QO71010

BrightStor ARCserve Backup r11.0 for Windows:
http://supportconnect.ca.com/sc/solce....jsp?aparno=QO70769&startsearch=1

BrightStor ARCserve Backup v9.01 for Windows:
http://supportconnect.ca.com/sc/solce....jsp?aparno=QO70770&startsearch=1

BrightStor Enterprise Backup v10.5 for Windows:
http://supportconnect.ca.com/sc/solce....jsp?aparno=QO70774&startsearch=1

BrightStor Enterprise Backup v10.0 for Windows:
http://supportconnect.ca.com/sc/solce....jsp?aparno=QO70773&startsearch=1

Provided and/or discovered by:
Discovered by anonymous person and reported via iDEFENSE.

Changelog:
2005-08-04: Added link to US-CERT vulnerability note.
2005-08-08: Vendor issues new patch for BrightStor ARCserve Backup r11.1 for Windows to address vulnerability correctly.

Original Advisory:
iDEFENSE:
http://idefense.com/application/poi/display?id=287&type=vulnerabilities

Other References:
US-CERT VU#279774:
http://www.kb.cert.org/vuls/id/279774


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