getmail maildir race condition
| getmail-maildir-race-condition (17439) |  Medium Risk |
Description:
getmail is vulnerable to a race condition. A local attacker could use this vulnerability to launch a symlink attack by creating a symbolic link from an arbitrary file on the system to a subdirectory of maildir, which could allow the attacker to create or overwrite files on the system with root privileges, once getmail is executed.
Consequences:
Gain Privileges
Remedy:
For getmail 4.x prior to 4.2.0:
Upgrade to the latest version of getmail (4.2.0 or later), available from the getmail documentation Web page. See References.
For getmail 3.2.4 and earlier:
Upgrade to the latest version of getmail (3.2.5 or later), available from the getmail documentation Web page. See References.
For Gentoo Linux:
Upgrade to the latest version of getmail (4.2.0 or later), as listed in GLSA 200409-32. See References.
For Debian GNU/Linux 3.0 (alias woody):
Upgrade to the latest getmail package (2.3.7-2 or later), as listed in DSA-553-1. See References.
For Slackware Linux:
Upgrade to the latest getmail package, as listed below. Refer to Slackware Security Announcement SSA:2004-278-01 for more information. See References.
Slackware Linux 10: getmail-4.2.0 or later
Slackware Linux -current: getmail-4.2.0 or later
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Full-Disclosure Mailing List, Sun Sep 19 2004 - 09:32:38 CDT: Local root compromise possible with getmail.
- getmail documentation Web page: getmail documentation.
- getmail Web page: Charles Cazabon's Software.
- Slackware Security Advisory Mon, 4 Oct 2004 12:52:39 -0700 (PDT): getmail (SSA:2004-278-01).
- BID-11224: Getmail Local Symbolic Link Vulnerability
- CVE-2004-0881: getmail 4.x before 4.2.0, and other versions before 3.2.5, when run as root, allows local users to write files in arbitrary directories via a symlink attack on subdirectories in the maildir.
- DSA-553: getmail -- symlink vulnerability
- GLSA-200409-32: getmail: Filesystem overwrite vulnerability
Platforms Affected:
- Charles Cazabon getmail 3.2.4 and prior
- Charles Cazabon getmail 4.x prior to 4.2.0
- Debian Debian Linux 3.0
- Gentoo Linux
Reported:
Sep 19, 2004
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net