Apple Mac OS X kernel chroot security bypass
| macosx-kernel-chroot-bypass (38467) |  Low Risk |
Description:
The Apple Mac OS X kernel could allow a local attacker to bypass chroot restrictions. An attacker could exploit this vulnerability to gain unauthorized access to arbitrary files by changing the working directory using a relative path.
*CVSS:
| Base Score: | 3.6 |
| Access Vector: | Local |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 2.7 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Apply Apple Security Update 2007-008 or upgrade to the latest version of Mac OS X (10.4.11 or later), available from the Apple Web site. See References.
References:
- Apple Web site: About the security content of Mac OS X 10.4.11 and Security Update 2007-008.
- BID-26444: Apple Mac OS X v10.4.11 2007-008 Multiple Security Vulnerabilities
- CVE-2007-4683: Directory traversal vulnerability in the kernel in Apple Mac OS X 10.4 through 10.4.10 allows local users to bypass the chroot mechanism via a relative path when changing the current working directory.
- SA27643: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
- SECTRACK ID: 1018950: Mac OS X Kernel and Networking Bugs Let Remote and Local Users Deny Service or Execute Arbitrary Code
- VUPEN/ADV-2007-3868: Apple Mac OS X Command Execution and Denial of Service Vulnerabilities
Platforms Affected:
- Apple Mac OS X 10.4
- Apple Mac OS X 10.4.1
- Apple Mac OS X 10.4.10
- Apple Mac OS X 10.4.2
- Apple Mac OS X 10.4.3
- Apple Mac OS X 10.4.4
- Apple Mac OS X 10.4.5
- Apple Mac OS X 10.4.6
- Apple Mac OS X 10.4.7
- Apple Mac OS X 10.4.8
- Apple Mac OS X 10.4.9
- Apple Mac OS X Server 10.4
- Apple Mac OS X Server 10.4.1
- Apple Mac OS X Server 10.4.10
- Apple Mac OS X Server 10.4.2
- Apple Mac OS X Server 10.4.3
- Apple Mac OS X Server 10.4.4
- Apple Mac OS X Server 10.4.5
- Apple Mac OS X Server 10.4.6
- Apple Mac OS X Server 10.4.7
- Apple Mac OS X Server 10.4.8
- Apple Mac OS X Server 10.4.9
Reported:
Nov 14, 2007
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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.