linuxconf 1.23r vpop3d symlink

CVSS Meta Temp Score
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CTI Interest Score
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2.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in linuxconf 1.23r. This affects an unknown part of the file vpop3d. Executing a manipulation can lead to symlink. This vulnerability is handled as CVE-2001-0143. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in linuxconf 1.23r and classified as problematic. This vulnerability affects an unknown code block of the file vpop3d. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

vpop3d program in linuxconf 1.23r and earlier allows local users to overwrite arbitrary files via a symlink attack.

The bug was discovered 01/10/2001. The weakness was released 03/12/2001 by FIRST as not defined posting (Bugtraq). The advisory is available at marc.theaimsgroup.com. This vulnerability was named CVE-2001-0143. The exploitation appears to be difficult. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 61885 (Mandrake Linux Security Advisory : linuxconf (MDKSA-2001:011)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38045 (linuxconf /tmp File Race Condition Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (5923), Tenable (61885), SecurityFocus (BID 2186†), OSVDB (1713†) and Vulnerability Center (SBV-6677†). Entries connected to this vulnerability are available at VDB-16520, VDB-16522, VDB-16523 and VDB-16524. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.9
VulDB Meta Temp Score: 2.8

VulDB Base Score: 2.9
VulDB Temp Score: 2.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 61885
Nessus Name: Mandrake Linux Security Advisory : linuxconf (MDKSA-2001:011)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/10/2001 🔍
01/10/2001 +0 days 🔍
01/10/2001 +0 days 🔍
01/12/2001 +2 days 🔍
03/12/2001 +59 days 🔍
03/12/2001 +0 days 🔍
12/30/2004 +1389 days 🔍
09/06/2012 +2807 days 🔍
07/03/2014 +665 days 🔍
10/08/2025 +4115 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: FIRST
Status: Confirmed

CVE: CVE-2001-0143 (🔍)
GCVE (CVE): GCVE-0-2001-0143
GCVE (VulDB): GCVE-100-16546
X-Force: 5923 - Linuxconf vpop3d symbolic link
SecurityFocus: 2186 - linuxconf /tmp File Race Condition Vulnerability
OSVDB: 1713 - CVE-2001-0143 - linuxconf - Symlink Issue
Vulnerability Center: 6677 - Red Hat Linux 7.0 and Wirex Immunix OS 7.0 -Beta Allow Modifying Files via Linuxconf, Medium

See also: 🔍

Entryinfo

Created: 07/03/2014 15:56
Updated: 10/08/2025 07:17
Changes: 07/03/2014 15:56 (70), 06/03/2019 09:27 (5), 10/08/2025 07:17 (20)
Complete: 🔍
Cache ID: 216::103

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