SmbFTPD SMBDirList format string

smbftpd-smbdirlist-format-string (36893)

High Risk

Description:

SmbFTPD could allow a remote attacker to execute arbitrary commands, caused by a format string vulnerability in the SMBDirList function in dirlist.c. A remote attacker with a valid user account could exploit this vulnerability by listing a specially-crafted filename, which would allow the attacker to execute arbitrary commands on vulnerable client systems.

*CVSS:

Base Score:	6.5
Access Vector:	Network
Access Complexity:	Low
Authentication:	Single
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	5.4
Exploitability:	Functional
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of SmbFTPD (0.97 or later), available from the twbsd Web site. See References.

References:

• BugTraq Mailing List, Mon Oct 01 2007 - 10:48:02 CDT: smbftpd 0.96 format string vulnerability.
• Sourceforge.net: Files: smbftpd - File Release Notes and Changelog - Release Name: 0.97.
• twbsd Web site: SmbFTPD.
• BID-25871: SmbFTPD SMBDirList Format String Vulnerability
• CVE-2007-5184: Format string vulnerability in the SMBDirList function in dirlist.c in SmbFTPD 0.96 allows remote attackers to execute arbitrary code via format string specifiers in a directory name.
• SA27014: SmbFTPD "SMBDirList()" Format String Vulnerability
• VUPEN/ADV-2007-3311: SmbFTPD SMBDirList() Function File Listing Format String Vulnerability

Platforms Affected:

• twbsd smbftpd 0.96

Reported:

Oct 01, 2007

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