CA BrightStor ARCserve Backup XDR Parsing Buffer Overflow Vulnerability

May 19th, 2008
ZDI-08-026 ZDI-CAN-063

CVE ID

CVE-2008-2242

CVSS Score

None None

Affected Vendors

Computer Associates

Affected Products

BrightStor ARCserve Server

Vulnerability Details

This vulnerability allws attackers to execute arbitrary code on vulnerable installations of CA BrightStor ARCserve Backup for Linux. User interaction is not required to exploit this vulnerability.

The specific flaw exists due to improper bounds checking in the xdr_rwsstring() library function. By sending a long parameter into a daemon using this function to process strings, a stack based buffer overflow occurs, leading to execution of arbitrary code.

Additional Details

Computer Associates has issued an update to correct this vulnerability. More details can be found at:
https://support.ca.com/irj/portal/anonymous/phpsupcontent?contentID=176798

Disclosure Timeline

  • 2006-09-12 - Vulnerability reported to vendor
  • 2008-05-19 - Coordinated public release of advisory

Credit

Damian Put <pucik@overflow.pl>

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