Apple Mac OS X load_command structures denial of service
| macos-load-command-dos (30549) |  Medium Risk |
Description:
Apple Mac OS X is vulnerable to a denial of service caused by improper handling of malformed load_command structures. By executing a specially-crafted Mach-O binary, a local attacker could corrupt memory and possibly execute arbitrary code on the system or cause the system to crash.
*CVSS:
| Base Score: | 4.7 |
| Access Vector: | Local |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | None |
| Integrity Impact: | Partial |
| Availability Impact: | Complete |
| Temporal Score: | 3.7 |
| Exploitability: | Proof-Of-Concept |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Apply Security Update 2007-003, available from the Apple Web site. See References.
References:
- Apple Web site: About the security content of Mac OS X 10.4.9 and Security Update 2007-003.
- MOKB-23-11-2006: Mac OS X Mach-O Binary Loading Memory Corruption.
- BID-21272: Apple Mac OS X Mach-O Binary Loading Privilege Escalation Vulnerability
- CVE-2006-6126: Apple Mac OS X allows local users to cause a denial of service (memory corruption) via a crafted Mach-O binary with a malformed load_command data structure.
- OSVDB ID: 30740: Mac OS X Mach-O Binary Loading Memory Corruption
- VUPEN/ADV-2006-4714: Apple Mac OS X Mach-O Universal Binary Local Privilege Escalation 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 10.4.11
- 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
Reported:
Nov 23, 2006
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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.