Apple PPPDialer Insecure Log File Creation Symbolic Link Vulnerability

BID:11139

Info

Apple PPPDialer Insecure Log File Creation Symbolic Link Vulnerability

Bugtraq ID: 11139
Class: Access Validation Error
CVE: CVE-2004-0824
Remote: No
Local: Yes
Published: Sep 07 2004 12:00AM
Updated: Jul 12 2009 07:06AM
Credit: This vulnerability was announced in a vendor advisory.
Vulnerable: Apple Mac OS X Server 10.3.5
Apple Mac OS X Server 10.3.4
Apple Mac OS X Server 10.2.8
Apple Mac OS X 10.3.5
Apple Mac OS X 10.3.4
Apple Mac OS X 10.2.8
Not Vulnerable:

Discussion

Apple PPPDialer Insecure Log File Creation Symbolic Link Vulnerability

The Apple PPPDialer utility is reported to contain an insecure log file creation vulnerability. The result of this is that log files created by the application are created in a world writeable location.

A local attacker may possibly exploit this vulnerability to execute symbolic link file overwrite attacks.

Privilege escalation may be possible using this method of attack, if the attacker can control the data that is being written to the target file.

Exploit / POC

Apple PPPDialer Insecure Log File Creation Symbolic Link Vulnerability

No exploit is required.

Solution / Fix

Apple PPPDialer Insecure Log File Creation Symbolic Link Vulnerability

Solution:
Apple has released an advisory (APPLE-SA-0024-09-07) along with fixes to address this, and many other issues. Please see the referenced advisory for further information.


Apple Mac OS X 10.2.8

Apple Mac OS X Server 10.2.8

Apple Mac OS X 10.3.4

Apple Mac OS X Server 10.3.4

Apple Mac OS X 10.3.5

Apple Mac OS X Server 10.3.5

References

Apple PPPDialer Insecure Log File Creation Symbolic Link Vulnerability

References:

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