FreeBSD 6.1 Unix File System ufs_dirbad resource management

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

Summaryinfo

A vulnerability identified as problematic has been detected in FreeBSD 6.1. Affected is the function ufs_dirbad of the component Unix File System. The manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2007-0267. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in FreeBSD 6.1 (Operating System). This issue affects the function ufs_dirbad of the component Unix File System. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

The ufs_lookup function in the Mac OS X 10.4.8 and FreeBSD 6.1 kernels allows local users to cause a denial of service (kernel panic) and possibly corrupt other filesystems by mounting a crafted UNIX File System (UFS) DMG image that contains a corrupted directory entry (struct direct), related to the ufs_dirbad function. NOTE: a third party states that the FreeBSD issue does not cross privilege boundaries.

The bug was discovered 01/12/2007. The weakness was disclosed 01/16/2007 by LMH (Website). The advisory is shared at projects.info-pull.com. The identification of this vulnerability is CVE-2007-0267 since 01/16/2007. The attack can only be initiated within the local network. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 24811 (Mac OS X < 10.4.9 Multiple Vulnerabilities (Security Update 2007-003)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115527 (Apple Mac OS X 10.4.9 and Security Update 2007-003 Not Installed (APPLE-SA-2007-03-13)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at freebsd.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (31490), Exploit-DB (29452), Tenable (24811), SecurityFocus (BID 22036†) and OSVDB (32686†). The entries VDB-2060, VDB-2621, VDB-2709 and VDB-2824 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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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

AVACAuCIA
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / 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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Nessus ID: 24811
Nessus Name: Mac OS X < 10.4.9 Multiple Vulnerabilities (Security Update 2007-003)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: freebsd.org

Timelineinfo

01/12/2007 🔍
01/12/2007 +0 days 🔍
01/13/2007 +0 days 🔍
01/16/2007 +3 days 🔍
01/16/2007 +0 days 🔍
01/16/2007 +0 days 🔍
01/16/2007 +0 days 🔍
01/16/2007 +0 days 🔍
01/22/2007 +5 days 🔍
03/13/2007 +50 days 🔍
03/13/2007 +0 days 🔍
03/13/2007 +0 days 🔍
03/19/2007 +6 days 🔍
03/08/2025 +6564 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: projects.info-pull.com
Researcher: LMH
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-0267 (🔍)
GCVE (CVE): GCVE-0-2007-0267
GCVE (VulDB): GCVE-100-2837
X-Force: 31490
SecurityFocus: 22036 - Apple Mac OS X DMG UFS UFS_LookUp Denial Of Service Vulnerability
Secunia: 23721 - FreeBSD UFS "ufs_dirbad()" Local Denial of Service, Not Critical
OSVDB: 32686 - Apple Mac OS X UFS ufs_dirbad() Function Local DoS
SecurityTracker: 1017751
Vulnerability Center: 14631 - Apple Mac OS X ufs_lookup Function Vulnerability via Crafted UFS DMG Image, Medium
Vupen: ADV-2007-0171

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

Entryinfo

Created: 01/22/2007 10:16
Updated: 03/08/2025 13:44
Changes: 01/22/2007 10:16 (98), 07/16/2019 17:24 (2), 03/08/2025 13:44 (17)
Complete: 🔍
Cache ID: 216:F98:103

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

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