VDB-86078 · CVE-2007-3961 · BID 25034

fsplib fsplib.c fsp_readdir denial of service

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, which was classified as critical, has been found in fsplib (version now known). Affected by this issue is the function fsp_readdir of the file fsplib.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Off-by-one error in the fsp_readdir_r function in fsplib.c in fsplib before 0.9 allows remote attackers to cause a denial of service via a directory entry whose length is exactly MAXNAMELEN, which prevents a terminating null byte from being added.

The weakness was presented 07/23/2007 (Website). The advisory is available at fsp.cvs.sourceforge.net. This vulnerability is handled as CVE-2007-3961 since 07/25/2007. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 27611 (GLSA-200711-01 : gFTP: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (27611). See 37971, 37970 and 37965 for similar entries.

Productinfo

Name

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: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 27611
Nessus Name: GLSA-200711-01 : gFTP: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 10164
OpenVAS Name: ISC BIND Denial Of Service and Security Bypass Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

07/23/2007 🔍
07/24/2007 +0 days 🔍
07/24/2007 +0 days 🔍
07/24/2007 +0 days 🔍
07/25/2007 +0 days 🔍
07/25/2007 +0 days 🔍
11/01/2007 +99 days 🔍
11/02/2007 +1 days 🔍
05/09/2016 +3111 days 🔍
12/22/2018 +957 days 🔍

Sourcesinfo

Advisory: fsp.cvs.sourceforge.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-3961 (🔍)
SecurityFocus: 25034 - FSPLIB Library Multiple Remote Vulnerabilities
Secunia: 26184 - fsplib Multiple Vulnerabilities, Moderately Critical
OSVDB: 38570 - fsplib fsplib.c fsp_readdir Function d_name Directory (dirent) Field Overflow

See also: 🔍

Entryinfo

Created: 05/09/2016 14:54
Updated: 12/22/2018 10:52
Changes: 05/09/2016 14:54 (61), 12/22/2018 10:52 (12)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!