>> Apple Mac OS X Security Update Fixes Application Firewall Vulnerabilities
Title : Apple Mac OS X Security Update Fixes Application Firewall Vulnerabilities VUPEN ID : VUPEN/ADV-2007-3897 CVE ID : CVE-2007-4702 - CVE-2007-4703 - CVE-2007-4704
Rated as : Moderate Risk
Remotely Exploitable : Yes Locally Exploitable : Yes Release Date : 2007-11-16
Technical Description
Multiple vulnerabilities have been identified in Apple Mac OS X, which could be exploited by attackers or malicious users to bypass security restrictions.
The first issue is caused by an error in the "Block all incoming connections" setting for the Application Firewall that allows any process running as user "root" (UID 0) and mDNSResponder to receive incoming connections, which could result in the unexpected exposure of network services.
The second vulnerability is caused by an error in the "Set access for specific services and applications" setting for the Application Firewall that allows any process running as user "root" (UID 0) to receive incoming connections, even if its executable is specifically added to the list of programs and its entry in the list is marked as "Block incoming connections", which could result in the unexpected exposure of network services.
The third issue is caused by an error when the Application Firewall settings are changed, which could cause a running process started by launchd to not be affected until it is restarted, exposing the system to network access.
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