FireFTP add-on for FireFox MLSD and LIST commands directory traversal
| fireftp-mlsd-list-directory-traversal (42516) |  Medium Risk |
Description:
FireFTP could allow a remote attacker to traverse directories on the system. By persuading a victim to download a directory containing a file with "dot dot" (\..\) sequences in filename via the MLSD or LIST command, an attacker could traverse directories and write arbitrary files to the system.
Platforms Affected:
- FireFTP, FireFTP 0.97.1
Remedy:
Upgrade to the latest version of FireFTP (0.98.20080518 or later), available from the FireFTP CVS repository. See References.
Consequences:
Gain Access
References:
- Firefox Add-ons Web site, FireFTP 0.97.1 at https://addons.mozilla.org/en-US/firefox/addon/684.
- FireFTP CVS repository, Diff for /fireftp/src/content/js/connection/controlSocket.js.in between versions 1.58 and 1.59 at http://www.mozdev.org/source/browse/fireftp/src/content/js/connection/controlSocket.js.in.diff?r1=1.58;r2=1.59;f=h.
- vuln.sg Vulnerability Research Advisory 2008-05-19, FireFTP add-on for FireFox Directory Traversal Vulnerability at http://vuln.sg/fireftp0971-en.html.
- BID-29289: FireFTP 'MLSD' And 'LIST' Commands Directory Traversal Vulnerability
- CVE-2008-2399: Directory traversal vulnerability in the FireFTP add-on before 0.98.20080518 for Firefox allows remote FTP servers to create or overwrite arbitrary files via ..\ (dot dot backslash) sequences in responses to (1) MLSD and (2) LIST commands, a related issue to CVE-2002-1345. NOTE: this can be leveraged for code execution by writing to a Startup folder.
- FrSIRT/ADV-2008-1596: FireFTP Add-on for Firefox Remote Directory Traversal Vulnerability
- SA30284: FireFTP Extension for Firefox Directory Traversal Vulnerability
- US-CERT VU#906907: FireFTP filename directory traversal sequence vulnerability
Reported:
May 19, 2008
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