DataRescue Inc. IDA Pro Remote Debugger Server processor_request() function code execution

idapro-processorrequest-code-execution (33190) The risk level is classified as HighHigh Risk

Description:

DataRescue Inc.'s IDA Pro Remote Debugger Server could allow a remote attacker to execute arbitrary code on a system, caused by a password bypass vulnerability in the processor_request() function when handling the initial packet exchange and future requests. A remote attacker could exploit this vulnerability to bypass authentication and execute arbitrary code on the system with the privileges of the victim.

Note: The debugger server must be executed manually and can handle only one debugger session at a time.

*CVSS:

Base Score: 8
  Access Vector: Remote
  Access Complexity: High
  Authentication: Not Required
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 6.5
  Exploitability: Unproven
  Remediation Level: Unavailable
  Report Confidence: Uncorroborated

Consequences:

Gain Access

Remedy:

Apply the patch for this vulnerability (ida_remdeb_fix_22032007), available from the DataRescue Web site. See References.

References:

  • DataRescue IDA Pro Bulletin Board Web page: The IDA Pro Disassembler and Debugger.
  • DataRescue Web site: ida_remdeb_fix_22032007.zip.
  • iDefense Labs PUBLIC ADVISORY: 03.23.07: DataRescue IDA Pro Remote Debugger Server Authentication Bypass Vulnerability.
  • BID-23114: DataRescue IDA Pro Processor_Request Authentication Bypass Vulnerability
  • CVE-2007-1666: The processor_request function in the debugger server for DataRescue IDA Pro 5.0 and 5.1 does not verify that authentication has taken place before invoking the perform_request function, which allows remote attackers to perform unauthorized actions.
  • OSVDB ID: 33523: IDA Pro Remote Debugger Server Authentication Bypass
  • SA24635: IDA Pro Remote Debugger Server Authentication Bypass Vulnerability
  • SECTRACK ID: 1017815: IDA Pro Authentication Bypass Lets Remote Users Execute Arbitrary Code

Platforms Affected:

  • IDA Pro Disassembler DataRescue IDA Pro 5.0
  • IDA Pro Disassembler DataRescue IDA Pro 5.1

Reported:

Mar 23, 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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