Apple Mac OS X Postfix configuration file weak security

macosx-postfix-configfile-weak-security (45876)

Low Risk

Description:

Apple Mac OS X could provide weaker than expected security, caused by an error in the Postfix configuration file when mail is sent from a local command-line tool. A remote attacker could exploit this vulnerability via the SMTP port to send mail to local users for up to one minute after use of the affected tool.

*CVSS:

Base Score:	2.6
Access Vector:	Network
Access Complexity:	High
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	1.9
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Other

Remedy:

Apply Security Update 2008-007, available from the Apple Web site. See References.

References:

• Apple Web site: About Security Update 2008-007 .
• BID-31681: RETIRED: Apple Mac OS X 2008-007 Multiple Security Vulnerabilities
• BID-31721: Apple Mac OS X 10.5 Postfix Security Bypass Vulnerability
• CVE-2008-3646: The Postfix configuration file in Mac OS X 10.5.5 causes Postfix to be network-accessible when mail is sent from a local command-line tool, which allows remote attackers to send mail to local Mac OS X users.
• SA32222: Apple Mac OS X Security Update Fixes Multiple Vulnerabilities
• VUPEN/ADV-2008-2780: Apple Mac OS X Code Execution and Security Bypass Vulnerabilities

Platforms Affected:

• Apple Mac OS X 10.5.5

Reported:

Oct 09, 2008

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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.

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