Apple Mac OS X memberd unauthorized access
| macos-memberd-unauthorized-access (44465) |  Low Risk |
Description:
Apple Mac OS X could allow a local attacker to gain unauthorized access to the system, caused by the slow synchronization of access control changes by memberd. A local attacker could exploit this vulnerability to gain unauthorized access to files from the vulnerable system.
*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:
For Mac OS X version 10.4.2:
Update to the latest version of Mac OS X (10.4.3 Update or later). See References.
References:
- Full-Disclosure Mailing List, Mon Nov 07 2005 - 13:57:18 CST: Mac OS X (xnu) multiple information leaks..
- Mac OS X Web page: Apple - Mac OS X.
- Suresec Security Advisory 8: Mac OS X kernel (xnu) multiple information leaks.
- BID-15252: Apple Mac OS X Security Update 2005-10-31 Multiple Local Vulnerabilities
- CVE-2005-2751: memberd in Mac OS X 10.4 up to 10.4.2, in certain situations, does not quickly synchronize access control checks with changes in group membership, which could allow users to access files and other resources after they have been removed from a group.
- OSVDB ID: 20429: Mac OS X memberd Membership Modification Delay Access Restriction Bypass
- SA17368: Mac OS X Update Fixes Multiple Vulnerabilities
- SECTRACK ID: 1015125: Mac OS X memberd Membership Changes May Be Significantly Delayed
- VUPEN/ADV-2005-2256: Apple Security Update Fixes Multiple Mac OS X Vulnerabilities
Platforms Affected:
- Apple Mac OS X 10.4
- Apple Mac OS X 10.4.1
- Apple Mac OS X 10.4.2
- Apple Mac OS X Server 10.4
- Apple Mac OS X Server 10.4.1
- Apple Mac OS X Server 10.4.2
Reported:
Nov 07, 2005
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.