Mailmgr insecure temporary directory
| mailmgr-insecure-temp-directory (15203) |  High Risk |
Description:
Mailmgr could allow a local attacker to launch a symlink attack. The unsort, tmp, and sort scripts create insecure temporary files. A local attacker could create a symbolic link for a file in /tmp to an arbitrary file on the system, which could allow the attacker to view, create or overwrite arbitrary files on the system with privileges of the Mailmgr user.
Consequences:
Gain Privileges
Remedy:
Upgrade to the latest version of Mailmgr (1.2.3 or later), available from the FreshPorts Web site. See References.
References:
- BugTraq Mailing List, Thu Feb 12 2004 - 13:56:09 CST : Symlink vulnerabilities in mailmgr.
- FreshPorts Web site: FreshPorts -- mail/mailmgr.
- BID-9654: Mailmgr Insecure Temporary File Creation Vulnerabilities
- CVE-2004-0283: Mailmgr 1.2.3 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/mailmgr.unsort, (2) /tmp/mailmgr.tmp, or (3) /tmp/mailmgr.sort.
- OSVDB ID: 3934: Mailmgr Multiple Script Symlink Arbitrary File Overwrite
Platforms Affected:
- Sarg Mailmgr prior to 1.2.3
Reported:
Feb 13, 2004
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