Gert Doering mgetty 1.1.19/1.1.20/1.1.21 .last_run symlink

CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Gert Doering mgetty 1.1.19/1.1.20/1.1.21. This issue affects some unknown processing of the file /var/spool/fax/outgoing/.last_run. The manipulation leads to symlink. This vulnerability is listed as CVE-2000-0691. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Gert Doering mgetty 1.1.19/1.1.20/1.1.21. This issue affects some unknown processing of the file /var/spool/fax/outgoing/.last_run. The manipulation with an unknown input leads to a symlink vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

The faxrunq and faxrunqd in the mgetty package allows local users to create or modify arbitrary files via a symlink attack which creates a symlink in from /var/spool/fax/outgoing/.last_run to the target file.

The weakness was presented 10/20/2000 by Stan Bubrouski (Website). The advisory is shared at archives.neohapsis.com. The identification of this vulnerability is CVE-2000-0691. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (20179) and SecurityFocus (BID 1612†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.7

VulDB Base Score: 4.0
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/25/2000 🔍
10/20/2000 +56 days 🔍
10/20/2000 +0 days 🔍
06/27/2014 +4998 days 🔍
01/23/2025 +3863 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Stan Bubrouski
Status: Not defined
Confirmation: 🔍

CVE: CVE-2000-0691 (🔍)
GCVE (CVE): GCVE-0-2000-0691
GCVE (VulDB): GCVE-100-15833
SecurityFocus: 1612 - Multiple Vendor mgetty Symbolic Link Traversal Vulnerability

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

Entryinfo

Created: 06/27/2014 14:42
Updated: 01/23/2025 13:40
Changes: 06/27/2014 14:42 (46), 05/27/2018 12:12 (6), 01/23/2025 13:40 (27)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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