VDB-16497 · CVE-2000-0309 · XFDB 3394

OpenBSD 2.4 i386 Trace-Trap denial of service

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 OpenBSD 2.4. It has been classified as problematic. This affects an unknown function of the component i386 Trace-Trap Handler. Performing a manipulation results in denial of service. This vulnerability is reported as CVE-2000-0309. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in OpenBSD 2.4 (Operating System). This affects an unknown code block of the component i386 Trace-Trap Handler. 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:

The i386 trace-trap handling in OpenBSD 2.4 with DDB enabled allows a local user to cause a denial of service.

The weakness was disclosed 02/12/1999 as confirmed advisory (Website). The advisory is shared at openbsd.org. This vulnerability is uniquely identified as CVE-2000-0309. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (3394) and OSVDB (6126†). The entries VDB-16500, VDB-16499 and VDB-16498 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Operating System

Name

OpenBSD

Version

License

open-source

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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💳	💳	💳	💳	💳	💳
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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: Denial of service
CWE: CWE-404
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

02/12/1999 🔍
03/12/2001 +759 days 🔍
04/09/2004 +1123 days 🔍
07/03/2014 +3737 days 🔍
05/29/2018 +1426 days 🔍

Sourcesinfo

Advisory: openbsd.org
Status: Confirmed

CVE: CVE-2000-0309 (🔍)
GCVE (CVE): GCVE-0-2000-0309
GCVE (VulDB): GCVE-100-16497
X-Force: 3394
OSVDB: 6126 - OpenBSD i386 Trace-trap Handling DDB Local DoS

See also: 🔍

Entryinfo

Created: 07/03/2014 15:11
Updated: 05/29/2018 09:24
Changes: 07/03/2014 15:11 (45), 05/29/2018 09:24 (7)
Complete: 🔍
Cache ID: 216::103

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