University of Washington wu-ftpd 2.6.0 site exec Command lreply format string

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability was found in University of Washington wu-ftpd 2.6.0 and classified as critical. Affected is the function lreply of the component site exec Command. Such manipulation leads to format string. This vulnerability is referenced as CVE-2000-0573. It is possible to launch the attack remotely. Furthermore, an exploit is available. This vulnerability is historically impactful due to its background and the reception it garnered. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in University of Washington wu-ftpd 2.6.0 (File Transfer Software). It has been rated as very critical. Affected by this issue is the function lreply of the component site exec Command. The manipulation with an unknown input leads to a format string vulnerability. Using CWE to declare the problem leads to CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The lreply function in wu-ftpd 2.6.0 and earlier does not properly cleanse an untrusted format string, which allows remote attackers to execute arbitrary commands via the SITE EXEC command.

The weakness was published 06/22/2000 by Lamagra Argamal and tf8 (FIRST) as confirmed advisory (CERT.org). The advisory is shared for download at cert.org. This vulnerability is handled as CVE-2000-0573. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/20/2024). This vulnerability has a historic impact due to its background and reception.

After immediately, there has been an exploit disclosed. The exploit is available at securityfocus.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 10452 (WU-FTPD site_exec() Function Remote Format String), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27080 (WU-FTPD Remote Root Access with 'SITE EXEC' Command).

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 1971. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 3704.

The vulnerability is also documented in the databases at X-Force (4773), Exploit-DB (201), Tenable (10452), SecurityFocus (BID 1387†) and OSVDB (11805†). Similar entry is available at VDB-15741. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10452
Nessus Name: WU-FTPD site_exec() Function Remote Format String
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 10452
OpenVAS Name: wu-ftpd SITE EXEC vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: wuftpd_site_exec_format.rb
MetaSploit Name: WU-FTPD SITE EXEC/INDEX Format String Vulnerability
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍
Snort ID: 1971
Snort Message: PROTOCOL-FTP SITE EXEC format string attempt
Snort Class: 🔍

Suricata ID: 2100338
Suricata Class: 🔍
Suricata Message: 🔍

TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

06/22/2000 🔍
06/22/2000 +0 days 🔍
06/22/2000 +0 days 🔍
06/27/2000 +5 days 🔍
07/07/2000 +10 days 🔍
07/07/2000 +0 days 🔍
09/12/2002 +797 days 🔍
10/16/2002 +33 days 🔍
06/25/2014 +4270 days 🔍
12/20/2024 +3831 days 🔍

Sourcesinfo

Vendor: washington.edu

Advisory: cert.org
Researcher: Lamagra Argamal, tf8 (FIRST)
Status: Confirmed

CVE: CVE-2000-0573 (🔍)
GCVE (CVE): GCVE-0-2000-0573
GCVE (VulDB): GCVE-100-15740
X-Force: 4773 - WU-FTPD allows remote code execution with special SITE EXEC commands
SecurityFocus: 1387 - Wu-Ftpd Remote Format String Stack Overwrite Vulnerability
OSVDB: 11805 - WU-FTPD site_exec() Function Remote Format String
Vulnerability Center: 153 - wu-ftpd 2.6.0 and HP-UX 11.0 Arbitrary Command Execution via SITE EXEC Command, Critical

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/25/2014 15:10
Updated: 12/20/2024 05:27
Changes: 06/25/2014 15:10 (93), 05/05/2019 10:03 (9), 12/20/2024 05:27 (15)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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