Advisory Details

May 19th, 2008

CA BrightStor ARCserve Backup XDR Parsing Buffer Overflow Vulnerability

ZDI-08-026
ZDI-CAN-063

CVE ID CVE-2008-2242
CVSS SCORE
AFFECTED VENDORS Computer Associates
AFFECTED PRODUCTS BrightStor ARCserve Server
TIPPINGPOINT™ IPS CUSTOMER PROTECTION TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 4931. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
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.

VENDOR RESPONSE 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
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