Apple Mac OS X kernel file descriptor privilege escalation
| macosx-kernel-descr-privilege-escalation (38469) |  High Risk |
Description:
The Apple Mac OS X kernel could allow a local attacker to gain elevated privileges on the system, caused by improper handling of standard file descriptors when a setuid or setgid application is executed. By executing a setuid or setgid application when the standard file descriptors are in an invalid state, a local attacker could exploit this vulnerability to gain elevated privileges on the system.
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
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.
Consequences:
Gain Privileges
References:
- Apple Web site, About the security content of Mac OS X 10.4.11 and Security Update 2007-008 at http://docs.info.apple.com/article.html?artnum=307041.
- BID-26444: Apple Mac OS X v10.4.11 2007-008 Multiple Security Vulnerabilities
- CVE-2007-4685: The kernel in Apple Mac OS X 10.4 through 10.4.10 allows local users to gain privileges by executing setuid or setgid programs in which the stdio, stderr, or stdout file descriptors are in an unexpected state.
- 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
Reported:
Nov 14, 2007
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