Apple Mac OS X Networking component IOCTL AppleTalk buffer overflow
| macosx-networking-ioctl-bo (38475) |  High Risk |
Description:
The Apple Mac OS X Networking component is vulnerable to a stack-based buffer overflow, caused by improper bounds checking of IOCTL requests when adding new AppleTalk zones to the routing table. By sending a specially-crafted IOCTL request, a local attacker could overflow a buffer and execute arbitrary code on the system with kernel level privileges or cause the system to crash.
Note: In order to exploit this vulnerability, AppleTalk must be enabled and configured in routing mode. This is not the default configuration.
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.
- iDefense Labs PUBLIC ADVISORY: 11.14.07, Apple Mac OS X AppleTalk Socket IOCTL Kernel Stack Buffer Overflow Vulnerability at http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=627.
- BID-26444: Apple Mac OS X v10.4.11 2007-008 Multiple Security Vulnerabilities
- CVE-2007-4267: Stack-based buffer overflow in the Networking component in Apple Mac OS X 10.4 through 10.4.10 allows local users to execute arbitrary code via a crafted IOCTL request that adds an AppleTalk zone to a routing table.
- 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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