CA ARCserve Backup xdr_rwsstring buffer overflow

ca-arcservebackup-xdrrwsstring-bo (42527) The risk level is classified as HighHigh Risk

Description:

CA ARCserve Backup is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the xdr_rwsstring function. By sending an overly long string to a service that calls the vulnerable function, a remote attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges or cause the application to crash.

*CVSS:

Base Score: 9.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 6.9
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Refer to CA Security Advisory Vulnerability ID: 176798 for patch, upgrade or suggested workaround information. See References.

References:

  • CA Security Advisory Vulnerability ID: 176798: Security Notice for CA ARCserve Backup caloggerd and xdr functions.
  • ZDI-08-026: CA BrightStor ARCserve Backup XDR Parsing Buffer Overflow Vulnerability.
  • BID-29283: Computer Associates ARCserve Backup 'caloggerd' and 'xdr' Functions Multiple Remote Vulnerabilities
  • CVE-2008-2242: Multiple buffer overflows in xdr functions in the server in CA BrightStor ARCServe Backup 11.0, 11.1, and 11.5 allow remote attackers to execute arbitrary code, as demonstrated by a stack-based buffer overflow via a long parameter to the xdr_rwsstring function.
  • OSVDB ID: 45368: CA Multiple Product xdr_rwsstring() Library Function Remote Overflow
  • SA30300: CA ARCserve Backup Multiple Vulnerabilities
  • SECTRACK ID: 1020044: CA ARCserve Backup xdr Function Buffer Overflows Let Remote Users Execute Arbitrary Code

Platforms Affected:

  • CA BrightStor ARCserve Backup 11
  • CA BrightStor ARCserve Backup 11.1
  • CA BrightStor ARCserve Backup 11.5
  • CA Business Protection Suite 2.0
  • CA Server Protection Suite 2

Reported:

May 19, 2008

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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