Apple Mac OS X AFP Server security bypass
| macos-afpserver-security-bypass (41318) |  Medium Risk |
Description:
Apple Mac OS X could allow a remote attacker to bypass security restrictions, caused by the improper checking of Kerberos principal realm names by the AFP Server. An attacker could exploit this vulnerability using unspecified Kerberos principal realm manipulations to bypass cross-realm authentication and make an unauthorized connection to the server.
*CVSS:
| Base Score: | 4.3 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 3.2 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Apply Security Update 2008-002, available from the Apple Web site. See References.
References:
- Apple Web site: About Security Update 2008-002.
- BID-28304: RETIRED: Apple Mac OS X 2008-002 Multiple Security Vulnerabilities
- BID-28323: Apple Mac OS X AFP Server Cross-Realm Authentication Bypass Vulnerability
- CVE-2008-0045: Unspecified vulnerability in AFP Server in Apple Mac OS X 10.4.11 allows remote attackers to bypass cross-realm authentication via unknown manipulations of Kerberos principal realm names.
- SA29420: Mac OS X Security Update Fixes Multiple Vulnerabilities
- SECTRACK ID: 1019642: Apple File Protocol Server Kerberos Validation Bug Lets Remote Users Bypass Authentication
- VUPEN/ADV-2008-0924: Apple Mac OS X Command Execution and Security Bypass Issues
Platforms Affected:
- Apple Mac OS X 10.4.11
- Apple Mac OS X Server 10.4.11
Reported:
Mar 18, 2008
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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.