ProFTPD FTP server backdoor

proftpd-ftpserver-backdoor (63658)

High Risk

Description:

ProFTPD contains a backdoor, caused by the compromise of the distribution server of the ProFTPD project. The ProFTPD 1.3.3c source code packages distributed from November 28th 2010 to December 2nd 2010 have been compromised. A remote attacker could exploit this vulnerability using a HELP command to gain access to a root shell.

*CVSS:

Base Score:	10
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	8.3
Exploitability:	Functional
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

ProFTPD customers should verify the integrity of the downloaded source code. See References.

References:

• Offensive Security Exploit Database [12-02-2010]: ProFTPD 1.3.3c compromised source remote root Trojan.
• SourceForge.net Web site: ProFTPD Server Software.
• BID-45150: ProFTPD Backdoor Unauthorized Access Vulnerability
• OSVDB ID: 69562: ProFTPD on ftp.proftpd.org Compromised Source Packages Trojaned Distribution
• SA42449: ProFTPD Compromised Source Packages Backdoor Security Issue

Platforms Affected:

• Proftpd ProFTPd 1.3.3c

Reported:

Dec 02, 2010

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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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