Apple Mac OS X Samba file system security bypass
| samba-filesystem-security-bypass (35738) |  Medium Risk |
Description:
Apple Mac OS X's version of Samba could allow a remote attacker to bypass security restrictions, caused by an error that occurs when the server process drops privileges. If Windows file sharing is enabled, a remote attacker could exploit this vulnerability to bypass the quota enforcement and allow the file system quota to exceed its limit.
*CVSS:
| Base Score: | 2.8 |
| Access Vector: | Remote |
| Access Complexity: | High |
| Authentication: | Not Required |
| Confidentiality Impact: | None |
| Integrity Impact: | Partial |
| Availability Impact: | None |
| Temporal Score: | 2.1 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Bypass Security
Remedy:
For Mac OS X:
Apply Apple Security Update 2007-007, available from the Apple Web site. See References.
References:
- Apple Security Update 2007-007 : About Security Update 2007-007.
- Apple Web site: Apple security updates.
- Samba Security Web site: Samba - Security Updates and Information.
- BID-25159: Apple Mac OS X 2007-007 Multiple Security Vulnerabilities
- CVE-2007-2407: The Samba server on Apple Mac OS X 10.3.9 and 10.4.10, when Windows file sharing is enabled, does not enforce disk quotas after dropping privileges, which allows remote authenticated users to use disk space in excess of quota.
- SA26235: Mac OS X Security Update Fixes Multiple Vulnerabilities
- VUPEN/ADV-2007-2732: Apple Mac OS X Multiple Code Execution and Denial of Service Vulnerabilities
Platforms Affected:
- Apple Mac OS X 10.3.9
- Apple Mac OS X 10.4.10
- Apple Mac OS X Server 10.3.9
- Apple Mac OS X Server 10.4.10
Reported:
Jul 31, 2007
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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.