VDB-15597 · CVE-2000-0456 · BID 1272

NetBSD 1.4.1/1.4.2 denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in NetBSD 1.4.1/1.4.2. Affected is an unknown function. Performing a manipulation results in denial of service. This vulnerability is reported as CVE-2000-0456. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in NetBSD 1.4.1/1.4.2 (Operating System). This affects an unknown functionality. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

NetBSD 1.4.2 and earlier allows local users to cause a denial of service by repeatedly running certain system calls in the kernel which do not yield the CPU, aka "cpu-hog".

The weakness was disclosed 05/28/2000 by Artur Grabowski (FIRST) (Website). The advisory is shared at ftp.netbsd.org. This vulnerability is uniquely identified as CVE-2000-0456. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are unknown but an exploit is available.

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

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 1272†) and OSVDB (1365†). The entry VDB-15598 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.6
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

05/28/2000 🔍
05/28/2000 +0 days 🔍
05/28/2000 +0 days 🔍
05/28/2000 +0 days 🔍
02/21/2003 +999 days 🔍
06/24/2014 +4140 days 🔍
04/21/2026 +4319 days 🔍

Sourcesinfo

Advisory: ftp.netbsd.org
Researcher: Artur Grabowski (FIRST)
Status: Confirmed

CVE: CVE-2000-0456 (🔍)
GCVE (CVE): GCVE-0-2000-0456
GCVE (VulDB): GCVE-100-15597
SecurityFocus: 1272 - NetBSD "cpu-hog" Denial of Service Vulnerability
OSVDB: 1365 - NetBSD cpu-hog Local System Call DoS

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

Entryinfo

Created: 06/24/2014 18:11
Updated: 04/21/2026 17:35
Changes: 06/24/2014 18:11 (55), 05/24/2018 21:37 (2), 04/21/2026 17:35 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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