University of Washington wu-ftpd 2.4.2/2.5.0/2.6.0 FTP Conversion Filename privileges management

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

A vulnerability was found in University of Washington wu-ftpd 2.4.2/2.5.0/2.6.0 (File Transfer Software). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component FTP Conversion. The manipulation as part of a Filename leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

wu-ftp with FTP conversion enabled allows an attacker to execute commands via a malformed file name that is interpreted as an argument to the program that does the conversion, e.g. tar or uncompress.

The weakness was presented 12/20/1999 by suid as DSA-377 as confirmed advisory (Website). The advisory is shared at debian.org. This vulnerability is known as CVE-1999-0997. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 15214 (Debian DSA-377-1 : wu-ftpd - insecure program execution), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 5 years after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 362. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 646.

The vulnerability is also documented in the databases at X-Force (3952) and Tenable (15214).

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 15214
Nessus Name: Debian DSA-377-1 : wu-ftpd - insecure program execution
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53663
OpenVAS Name: Debian Security Advisory DSA 377-1 (wu-ftpd)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Snort ID: 362
Snort Message: PROTOCOL-FTP tar parameters
Snort Class: 🔍

Suricata ID: 2101530
Suricata Class: 🔍
Suricata Message: 🔍

TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

12/20/1999 🔍
12/20/1999 +0 days 🔍
12/20/1999 +0 days 🔍
12/20/1999 +0 days 🔍
09/04/2003 +1354 days 🔍
07/13/2004 +313 days 🔍
09/29/2004 +78 days 🔍
06/22/2014 +3553 days 🔍
05/22/2019 +1795 days 🔍

Sourcesinfo

Vendor: washington.edu

Advisory: DSA-377
Researcher: suid
Status: Confirmed

CVE: CVE-1999-0997 (🔍)
X-Force: 3952
Vulnerability Center: 4719 - Wu-FTP Server with FTP Conversion Enables Code Execution via Malformed File Name, High
SecurityFocus: 2240 - Multiple Vendor FTP Conversion Vulnerability

Entryinfo

Created: 06/22/2014 16:05
Updated: 05/22/2019 22:10
Changes: 06/22/2014 16:05 (85), 05/22/2019 22:10 (4)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!