Computer Associates (CA) Brightstor ARCserve Backup Mediasvr.exe denial of service

brightstor-mediasvr-dos (34319) The risk level is classified as MediumMedium Risk

Description:

CA Brightstor ARCserve Backup is vulnerable to a denial of service, caused by a NULL pointer dereference in the cactirpc.dll and rwxdr.dll libraries. A remote attacker could send a specially-crafted RPC request to cause the Mediasrv.exe process to crash.

*CVSS:

Base Score: 3.5
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 2.9
  Exploitability: Functional
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Refer to CA Support Connect Web site for patch, upgrade or suggested workaround information. See References.

References:

  • CA Brightstor ARCserve Backup Web site: CA ARCserve® Backup - CA -.
  • CA Support Connect Web site: NT -SECURITY UPDATE 7 - CUMULATIVE.
  • Full-Disclosure Mailing List, Wed May 16 2007 - 16:56:42 CDT: CA BrightStor ARCserve Backup Mediasvr.exe and caloggerd.exe Vulnerabilities.
  • BID-24015: Computer Associates BrightStor ARCserve Backup CatiRPC.DLL/RWXDR.DLL Denial Of Service Vulnerability
  • CVE-2007-2772: (1) caloggerd.exe (camt70.dll) and (2) mediasvr.exe (catirpc.dll and rwxdr.dll) in CA BrightStor Backup 11.5.2.0 SP2 allow remote attackers to cause a denial of service (NULL dereference and application crash) via a crafted RPC packet.
  • OSVDB ID: 35327: CA BrightStor ARCserve Backup caloggerd.exe (camt70.dll) Crafted RPC Packet Remote DoS
  • OSVDB ID: 35328: CA BrightStor ARCserve Backup mediasvr.exe Crafted RPC Packet Remote DoS
  • SA25300: CA BrightStor ARCserve Backup Two Denial of Service Vulnerabilities
  • SECTRACK ID: 1018076: CA BrightStor ARCserve `Mediasvr.exe` and `caloggerd.exe` Can Be Crashed By Remote Users

Platforms Affected:

  • CA BrightStor ARCserve Backup 11.5.2.0 SP2

Reported:

May 16, 2007

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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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