Apple Mac OS X and Mac OS X Server Fast User Switching unauthorized access
| macos-fast-user-unauthorized-access (29290) |  Medium Risk |
Description:
Apple Mac OS X and Mac OS X Server could allow a local attacker to gain access to another user's Kerberos tickets. An unspecified error in the handling of Fast User Switching could allow an attacker to gain unauthorized access to the Kerberos tickets of other users.
*CVSS:
| Base Score: | 2.5 |
| Access Vector: | Local |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | None |
| Availability Impact: | None |
| Temporal Score: | 1.8 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Apply Apple Security Update 2006-006 or Mac OS X 10.4.8 Update, available from the Apple Web site. See References.
References:
- Mac OS X 10.4.8 and Security Update 2006-006: About the security content of the Mac OS X 10.4.8 Update and Security Update 2006-006.
- US-CERT Technical Cyber Security Alert TA06-275A: Multiple Vulnerabilities in Apple and Adobe Products.
- BID-20271: Apple Mac OS X Pre 10.4.8 Multiple Security Vulnerabilities
- CVE-2006-4393: Unspecified vulnerability in LoginWindow in Apple Mac OS X 10.4 through 10.4.7, when Fast User Switching is enabled, allows local users to gain access to Kerberos tickets of other users.
- OSVDB ID: 29271: Mac OS X LoginWindow Fast User Switching Kerberos Ticket Disclosure
- SA22187: Mac OS X Security Update Fixes Multiple Vulnerabilities
- SECTRACK ID: 1016959: Apple LoginWindow Lets Local Users Access Another User`s Kerberos Tickets or Bypass Access Controls
- VUPEN/ADV-2006-3852: Apple Mac OS X Multiple 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 10.4.11
- 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 Server 10.4
- Apple Mac OS X Server 10.4.1
- Apple Mac OS X Server 10.4.10
- Apple Mac OS X Server 10.4.11
- 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
Reported:
Sep 29, 2006
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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.