oftpd LPSV or LPRT commands denial of service

oftpd-lpsv-lprt-dos (31520)

Medium 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
• SA23790: oftpd LPSV and LPRT Denial of Service Vulnerability
• SECTRACK ID: 1017517: oftpd LPRT/LPASV Command Exception Lets Remote Users Deny Service
• VUPEN/ADV-2007-0198: oftpd LPRT and LPASV Commands Handling Remote Denial of Service Vulnerability

Platforms Affected:

• Gentoo Linux
• Shane Kerr oftpd prior to 0.3.7

Reported:

Jan 15, 2007

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