3proxy unspecified denial of service

3proxy-unspecified-dos (38201) The risk level is classified as MediumMedium Risk

Description:

3proxy, when using NT-encoded passwords, is vulnerable to a denial of service. A remote attacker could exploit this vulnerability using unknown attack vectors possibly related to NTLM authentication to block the account and overwrite the password hash, resulting in a denial of service.

*CVSS:

Base Score: 2.8
  Access Vector: Remote
  Access Complexity: High
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 2.1
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of 3proxy (0.5.3 or later), available from the 3proxy Web site. See References.

References:

  • 3proxy Web site: Fixes backported from 0.6 as 0.5.3.
  • CVE-2006-6981: 3proxy 0.5 to 0.5.2, when NT-encoded passwords are being used, allows remote attackers to cause a denial of service (blocked account) via unspecified vectors related to NTLM authentication, which causes a password hash to be overwritten.
  • OSVDB ID: 35241: 3Proxy NTLM Authentication Password Hash Overwrite Remote DoS

Platforms Affected:

  • Vladimir Dubrovin 3proxy 0.5 - 0.5.2

Reported:

Oct 14, 2006

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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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