MLDonkey network modules security bypass

mldonkey-modules-security-bypass (35656) The risk level is classified as MediumMedium Risk

Description:

MLDonkey could allow a remote attacker to bypass security restrictions, caused by the loading of files in $MLDONKEY/web_infos/* after the network modules have started. A remote attacker could exploit this vulnerability to bypass security restrictions and allow other users to connect from blocked IP addresses for a limited time.

*CVSS:

Base Score: 7
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Upgrade to the latest version of MLDonkey (2.9.0 or later), available from SourceForge.net : Files. See References.

References:

  • SourceForge.net : Files: MLDonkey - File Release Notes and Changelog - Release Name: 2.9.0.
  • BID-25093: MLDonkey Country-Based IP Blocking Security Bypass Vulnerability
  • CVE-2007-4100: MLDonkey before 2.9.0 does not load certain code from $MLDONKEY/web_infos/ before the network modules become active, which allows remote attackers to bypass the IP blocklist.
  • OSVDB ID: 38626: MLDonkey Network Modules IP Blocking Weakness
  • SA26230: MLDonkey Network Modules IP Blocking Weakness

Platforms Affected:

  • MLDonkey MLDonkey prior to 2.9.0

Reported:

Jul 27, 2007

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