Apple Mac OS X Login Screen security bypass
| macos-loginscreen-security-bypass (45171) |  Low Risk |
Description:
Apple Mac OS X could allow a local attacker to bypass security restrictions, caused by the improper clearing of a current password after a failed password change by the Login Window. An attacker with access to the Login Screen could exploit this vulnerability to bypass security restrictions and reset the password of another user.
*CVSS:
| Base Score: | 2.1 |
| Access Vector: | Local |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 1.6 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
Apply Apple Security Update 2008-004 or upgrade to the latest version of Mac OS X (10.5.5 or later), available from the Apple Web site. See References.
References:
- Apple Web site: About the security content of Mac OS X v10.5.5 and Security Update 2008-006 .
- BID-31189: Apple Mac OS X 2008-006 Multiple Security Vulnerabilities
- CVE-2008-3611: Login Window in Apple Mac OS X 10.4.11 does not clear the current password when a user makes a password-change attempt that is denied by policy, which allows opportunistic, physically proximate attackers to bypass authentication and change this user's password by later entering an acceptable new password on the same login screen.
- SA31882: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
- SECTRACK ID: 1020878: Mac OS X Login Window Password Change Bug Lets Local User Access the System
- VUPEN/ADV-2008-2584: Apple Mac OS X Code Execution and Security Bypass Vulnerabilities
Platforms Affected:
- Apple Mac OS X 10.4.11
- Apple Mac OS X Server 10.4.11
Reported:
Sep 15, 2008
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
* 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.