University of Washington wu-ftpd 2.4.2 Beta18 up to 2.5 setproctitle format string

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability classified as critical has been found in University of Washington wu-ftpd (File Transfer Software). This affects the function setproctitle. The manipulation with an unknown input leads to a format string vulnerability. CWE is classifying the issue as CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

FTP servers such as OpenBSD ftpd, NetBSD ftpd, ProFTPd and Opieftpd do not properly cleanse untrusted format strings that are used in the setproctitle function (sometimes called by set_proc_title), which allows remote attackers to cause a denial of service or execute arbitrary commands.

The weakness was released 07/05/2000 as confirmed advisory (CERT.org). The advisory is shared at cert.org. This vulnerability is uniquely identified as CVE-2000-0574. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed by Teso and been published 2 years after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 11391 (Multiple FTP Server setproctitle Function Arbitrary Command Execution), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FTP and running in the context r.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (4908), Tenable (11391) and Exploit-DB (396). Further details are available at archives.neohapsis.com. Entry connected to this vulnerability is available at 15740.

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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CVSSv2info

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Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Teso
Download: 🔍

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Nessus ID: 11391
Nessus Name: Multiple FTP Server setproctitle Function Arbitrary Command Execution
Nessus File: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Timelineinfo

07/05/2000 🔍
07/07/2000 +2 days 🔍
07/07/2000 +0 days 🔍
01/01/2002 +543 days 🔍
01/01/2002 +0 days 🔍
03/15/2003 +438 days 🔍
06/17/2003 +94 days 🔍
04/09/2004 +296 days 🔍
06/25/2014 +3729 days 🔍
05/09/2019 +1779 days 🔍

Sourcesinfo

Vendor: washington.edu

Advisory: cert.org
Status: Confirmed

CVE: CVE-2000-0574 (🔍)
X-Force: 4908
Vulnerability Center: 1208 - Multiple Vendor\x27s FTP Servers Allow DoS or Arbitrary Code Execution, Critical
SecurityFocus: 1438
OSVDB: 7541 - Multiple FTP Server setproctitle Function Arbitrary Command Execution

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
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Entryinfo

Created: 06/25/2014 15:11
Updated: 05/09/2019 22:51
Changes: 06/25/2014 15:11 (67), 05/09/2019 22:51 (12)
Complete: 🔍

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