#VU43153 Race condition in ProFTPD


Published: 2013-01-24 | Updated: 2020-08-11

Vulnerability identifier: #VU43153

Vulnerability risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-6095

CWE-ID: CWE-362

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ProFTPD
Server applications / File servers (FTP/HTTP)

Vendor: ProFTPD

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

ProFTPD before 1.3.5rc1, when using the UserOwner directive, allows local users to modify the ownership of arbitrary files via a race condition and a symlink attack on the (1) MKD or (2) XMKD commands.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ProFTPD: 1.2.0 - 1.3.4


External links
http://bugs.proftpd.org/show_bug.cgi?id=3841
http://proftpd.org/docs/NEWS-1.3.5rc1
http://secunia.com/advisories/51823
http://www.debian.org/security/2013/dsa-2606
http://www.openwall.com/lists/oss-security/2013/01/07/3


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


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