VDB-17400 · CVE-2001-0685 · XFDB 7127

Thibault Godouet Fcron up to 1.1.0 symlink

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.
3.8	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Thibault Godouet Fcron 1.0/1.0.1/1.0.2/1.0.3/1.1.0. This impacts an unknown function. The manipulation results in symlink. This vulnerability is known as CVE-2001-0685. Furthermore, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Thibault Godouet Fcron 1.0/1.0.1/1.0.2/1.0.3/1.1.0. Affected is an unknown code block. The manipulation with an unknown input leads to a symlink vulnerability. CWE is classifying the issue as CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. This is going to have an impact on integrity, and availability. CVE summarizes:

Thibault Godouet FCron prior to 1.1.1 allows a local user to corrupt another user s crontab file via a symlink attack on the fcrontab temporary file.

The weakness was published 09/20/2001 (Website). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is traded as CVE-2001-0685. The exploitability is told to be difficult. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as highly functional.

Upgrading to version 1.1.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (7127), Exploit-DB (20905) and SecurityFocus (BID 2835†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Thibault Godouet

Name

Fcron

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Fcron 1.1.1

Timelineinfo

06/07/2001 🔍
09/20/2001 +105 days 🔍
09/20/2001 +0 days 🔍
07/09/2014 +4675 days 🔍
01/19/2025 +3847 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2001-0685 (🔍)
GCVE (CVE): GCVE-0-2001-0685
GCVE (VulDB): GCVE-100-17400
X-Force: 7127 - Fcron tmpfile symlink attack
SecurityFocus: 2835 - Thibault Godouet Fcron Symbolic Link Vulnerability

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

Entryinfo

Created: 07/09/2014 12:42
Updated: 01/19/2025 06:00
Changes: 07/09/2014 12:42 (48), 06/04/2018 08:39 (6), 01/19/2025 06:00 (22)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.