Computer Associates (CA) BrightStor ARCserve Backup Mediasvr RPC string buffer overflow

backup-product-string-overflow (29344) The risk level is classified as HighHigh Risk

Description:

Multiple Computer Associates (CA) BrightStor ARCserve backup products are vulnerable to a stack-based buffer overflow in the Mediasrv.exe service. By sending specially-crafted packets to the RPC interface on a vulnerable system, a remote attacker could overflow a buffer and execute arbitrary code on the system with SYSTEM privileges.

Platforms Affected:

  • CA, BrightStor ARCserve Backup 11.1
  • CA, BrightStor ARCserve Backup 11.5
  • CA, BrightStor ARCserve Backup 9.01
  • CA, BrightStor ARCserve Backup for Windows 11
  • CA, BrightStor Enterprise Backup 10.5
  • CA, Business Protection Suite 2.0
  • CA, Business Protection Suite for Microsoft Small Business Server 2 Standard
  • CA, Business Protection Suite for Microsoft Small Business Server 2 Premium
  • CA, Server Protection Suite 2

Remedy:

Apply the appropriate fix for your system (QO84983, QO84984, QI82917, QO84986, or QO84985), available from the CA SupportConnect Web site. See References.

Consequences:

Gain Access

References:

  • CA SupportConnect Web site, Important Security Notice for BrightStor ARCserve Backup at http://supportconnectw.ca.com/public/storage/infodocs/babimpsec-notice.asp.
  • IBM Internet Security Systems Protection Advisory, Jan 11, 2006, Computer Associates Brightstor ARCserve Mediasvr.exe String Handling Overflow at http://www.iss.net/threats/253.html.
  • BID-22016: Computer Associates BrightStor ARCserve Backup MediaSVR.EXE Variant Buffer Overflow Vulnerability
  • CVE-2006-5172: Stack-based buffer overflow in the RPC interface in Mediasvr.exe in Computer Associates (CA) Brightstor ARCserve Backup 9.01 through 11.5, Enterprise Backup 10.5, and CA Protection Suites r2 allows remote attackers to execute arbitrary code via crafted SUNRPC packets, aka the Mediasvr.exe String Handling Overflow
  • SA23648: CA BrightStor ARCserve Backup Multiple Vulnerabilities
  • SECTRACK ID: 1017506: BrightStor ARCserve Backup Bugs in Tape Engine, Mediasvr, and ASCORE.DLL Let Remote Users Execute Arbitrary Code
  • VUPEN/ADV-2007-0154: CA BrightStor ARCserve Backup Multiple Remote Command Execution Vulnerabilities

Reported:

Jan 11, 2007

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