oftpd LPSV or LPRT commands denial of service

oftpd-lpsv-lprt-dos (31520) The risk level is classified as MediumMedium Risk

Description:

oftpd is vulnerable to a denial of service attack. A remote attacker could send specially-crafted LPSV or LPRT commands, which could cause the oftpd daemon to crash, resulting in a denial of service.

*CVSS:

Base Score: 5
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Complete
 
Temporal Score: 3.7
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 200701-09 for patch, upgrade, or suggested workaround information. See References.

References:

  • oftpd Web site: Security Incidents.
  • BID-22073: Oftpd Unsupported Address Family Remote Denial of Service Vulnerability
  • CVE-2006-6767: oftpd before 0.3.7 allows remote attackers to cause a denial of service (daemon abort) via a (1) LPRT or (2) LPASV command with an unsupported address family, which triggers an assertion failure.
  • GLSA-200701-09: oftpd: Denial of Service
  • OSVDB ID: 32822: oftpd LPSV / LPRT Unsupported Address Family DoS
  • SA23790: oftpd LPSV and LPRT Denial of Service Vulnerability
  • SECTRACK ID: 1017517: oftpd LPRT/LPASV Command Exception Lets Remote Users Deny Service

Platforms Affected:

  • Gentoo Linux
  • Shane Kerr oftpd prior to 0.3.7

Reported:

Jan 15, 2007

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