psyBNC long password denial of service

psybnc-long-password-dos (8912) The risk level is classified as MediumMedium Risk

Description:

psyBNC is vulnerable to a denial of service attack. A remote attacker could send an overly long password while sending the IRC registration information to the psyBNC daemon to cause the CPU usage on the system to increase to greater than 90%. An attacker could perform this attack multiple times to consume all connection slots and deny services to legitimate users.

*CVSS:

Base Score: 3.5
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 2.6
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of psyBNC (2.3 or later), available from the psychoid Web site. See References.

References:

Platforms Affected:

  • psychoid psyBNC 2.3 and prior

Reported:

Apr 22, 2002

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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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