VDB-94873 · OSVDB 634

BSD on VAX passwd denial of service

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.1$0-$5k0.00

A vulnerability has been found in BSD on VAX (affected version unknown) and classified as problematic. Affected by this vulnerability is some unknown functionality of the component passwd. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. As an impact it is known to affect availability.

The weakness was presented 06/26/1986 by Andrew Findlay (Website). The advisory is shared at securitydigest.org. An attack has to be approached locally. A single authentication is required for exploitation. Technical details are unknown but an exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept.

It is possible to mitigate the problem by adding an authentication mechanism.

See 94866, 94868, 94869 and 94870 for similar entries.

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CVSSv3infoedit

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.1

VulDB Base Score: 3.3
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

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

Exploitinginfoedit

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

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
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Remediation: 🔍

Countermeasuresinfoedit

Recommended: Authentication
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfoedit

06/26/1986 🔍
06/26/1986 +0 days 🔍
09/12/2002 +5922 days 🔍
01/02/2017 +5225 days 🔍
07/13/2020 +1288 days 🔍

Sourcesinfoedit

Advisory: securitydigest.org
Researcher: Andrew Findlay
Status: Not defined
OSVDB: 634 - BSD on VAX passwd Lockfile File Size Limit Local DoS

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

Entryinfoedit

Created: 01/02/2017 05:17 PM
Updated: 07/13/2020 11:17 AM
Changes: (1) countermeasure_name
Complete: 🔍

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