Computer Associates (CA) BrightStor ARCserve Backup Message Engine RPC buffer overflow

brightstor-messageengine-rpc-bo (31443) The risk level is classified as HighHigh Risk

Description:

Multiple Computer Associates (CA) BrightStor ARCserve backup products are vulnerable to a buffer overflow, caused by improper bounds checking by the handler functions for RPC opnum 0x2F and 0x75 in the Message Engine 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 with SYSTEM privileges.

*CVSS:

Base Score: 10
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 7.4
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

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

References:

  • CA SupportConnect Web site: Important Security Notice for BrightStor ARCserve Backup.
  • ZDI-07-003: CA BrightStor ARCserve Backup Message Engine Buffer Overflow Vulnerability.
  • BID-22005: CA BrightStor ARCserve Backup Message Engine/Tape Engine Remote Buffer Overflow Vulnerability
  • BID-22006: CA BrightStor ARCserve Backup Tape Engine TCP 6502 Remote Buffer Overflow Vulnerability
  • CVE-2007-0169: Multiple buffer overflows in Computer Associates (CA) BrightStor ARCserve Backup 9.01 through 11.5, Enterprise Backup 10.5, and CA Server/Business Protection Suite r2 allow remote attackers to execute arbitrary code via RPC requests with crafted data for opnums (1) 0x2F and (2) 0x75 in the (a) Message Engine RPC service, or opnum (3) 0xCF in the Tape Engine service.
  • OSVDB ID: 31327: CA BrightStor ARCserve Backup Tape Engine Multiple RPC Remote 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
  • US-CERT VU#151032: CA BrightStor ARCserve Backup Tape Engine RPC buffer overflow
  • US-CERT VU#180336: CA BrightStor ARCserve Backup Message Engine RPC buffer overflow
  • VUPEN/ADV-2007-0154: CA BrightStor ARCserve Backup Multiple Remote Command Execution Vulnerabilities

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

Reported:

Jan 11, 2007

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