FreeBSD 4.5 Virtual Management System denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability was found in FreeBSD 4.5. It has been declared as problematic. The impacted element is an unknown function of the component Virtual Management System. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2002-1667. No exploit exists.

Detailsinfo

A vulnerability was found in FreeBSD 4.5 (Operating System). It has been declared as problematic. This vulnerability affects some unknown processing of the component Virtual Management System. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

The virtual memory management system in FreeBSD 4.5-RELEASE and earlier does not properly check the existence of a VM object during page invalidation, which allows local users to cause a denial of service (crash) by calling msync on an unaccessed memory map created with MAP_ANON and MAP_NOSYNC flags.

The bug was discovered 04/18/2002. The weakness was disclosed 12/31/2002 (Website). The advisory is shared for download at xforce.iss.net. This vulnerability was named CVE-2002-1667 since 06/21/2005. 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.

The vulnerability was handled as a non-public zero-day exploit for at least 257 days. During that time the estimated underground price was around $5k-$25k.

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 X-Force (8921), OSVDB (20823†) and Vulnerability Center (SBV-22689†). The entry VDB-19314 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

AVACAuCIA
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/18/2002 🔍
04/18/2002 +0 days 🔍
12/31/2002 +257 days 🔍
12/31/2002 +0 days 🔍
06/21/2005 +903 days 🔍
06/25/2009 +1465 days 🔍
08/04/2014 +1866 days 🔍
09/06/2019 +1859 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: xforce.iss.net
Status: Not defined

CVE: CVE-2002-1667 (🔍)
GCVE (CVE): GCVE-0-2002-1667
GCVE (VulDB): GCVE-100-19312
X-Force: 8921
OSVDB: 20823 - CVE-2002-1667 - FreeBSD - Denial-Of-Service Issue
Vulnerability Center: 22689 - FreeBSD <= 4.5-RELEASE Virtual Memory Management System Local DoS Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 08/04/2014 11:45
Updated: 09/06/2019 17:16
Changes: 08/04/2014 11:45 (54), 09/06/2019 17:16 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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