VDB-2658 · CVE-2006-5726 · BID 20919

FreeBSD up to 6.1 Unix File System denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in FreeBSD up to 6.1. The impacted element is an unknown function of the component Unix File System. The manipulation results in denial of service. This vulnerability was named CVE-2006-5726. In addition, an exploit is available. You should disable the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in FreeBSD up to 6.1 (Operating System). Affected is an unknown code block of the component Unix File System. 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. CVE summarizes:

alloccgblk in the UFS filesystem in Solaris 10 allows local users to cause a denial of service (memory corruption) by mounting crafted UFS filesystems with malformed data structures.

The weakness was presented 11/06/2006 by LHM (Website). The advisory is available at projects.info-pull.com. This vulnerability is traded as CVE-2006-5726 since 11/06/2006. Access to the local network is required for this attack. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

The exploit is shared for download at projects.info-pull.com. It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at ftp.FreeBSD.org.

The vulnerability is also documented in the databases at SecurityFocus (BID 20919†) and Secunia (SA22714†). See VDB-2657 for similar entry. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Disable
Status: 🔍

0-Day Time: 🔍

Patch: ftp.FreeBSD.org

Timelineinfo

11/04/2006 🔍
11/06/2006 +2 days 🔍
11/06/2006 +0 days 🔍
11/06/2006 +0 days 🔍
11/06/2006 +0 days 🔍
11/07/2006 +1 days 🔍
04/26/2026 +7110 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: projects.info-pull.com
Researcher: LHM
Status: Confirmed

CVE: CVE-2006-5726 (🔍)
GCVE (CVE): GCVE-0-2006-5726
GCVE (VulDB): GCVE-100-2658
SecurityFocus: 20919
Secunia: 22714 - Sun Solaris UFS File System Denial Of Service, Not Critical
Vupen: ADV-2006-4357

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

Entryinfo

Created: 11/07/2006 10:14
Updated: 04/26/2026 10:16
Changes: 11/07/2006 10:14 (63), 04/22/2018 13:06 (7), 04/26/2026 10:16 (23)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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