CA BrightStor ARCserve Backup XDR Parsing Buffer Overflow VulnerabilityZDI-08-026: May 19th, 2008
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 4931. For further product information on the TippingPoint IPS:
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 ResponseComputer Associates has issued an update to correct this vulnerability. More details can be found at:
2006-09-12 - Vulnerability reported to vendor
2008-05-19 - Coordinated public release of advisory
CreditThis vulnerability was discovered by: