VDB-14788 · CVE-1999-0743 · XFDB 3144

Debian Linux 4.0 Trn 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 was found in Debian Linux 4.0 and classified as problematic. This issue affects some unknown processing of the component Trn. Executing a manipulation can lead to symlink. This vulnerability appears as CVE-1999-0743. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Debian Linux 4.0 (Operating System). This vulnerability affects an unknown code of the component Trn. 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:

Trn allows local users to overwrite other users' files via symlinks.

The weakness was presented 08/20/1999 (Website). The advisory is shared for download at xforce.iss.net. This vulnerability was named CVE-1999-0743. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (3144). See VDB-14786 and VDB-14784 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Debian

Name

Linux

Version

License

open-source

Website

Vendor: https://www.debian.org/

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
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/20/1999 🔍
08/20/1999 +0 days 🔍
06/21/2014 +5419 days 🔍
04/19/2026 +4320 days 🔍

Sourcesinfo

Vendor: debian.org

Advisory: xforce.iss.net
Status: Confirmed

CVE: CVE-1999-0743 (🔍)
GCVE (CVE): GCVE-0-1999-0743
GCVE (VulDB): GCVE-100-14788
X-Force: 3144 - TRN newsreader insecure temporary files

See also: 🔍

Entryinfo

Created: 06/21/2014 21:23
Updated: 04/19/2026 10:50
Changes: 06/21/2014 21:23 (51), 05/21/2018 10:09 (1), 04/19/2026 10:50 (19)
Complete: 🔍
Cache ID: 216::103