Shorewall symlink attack
| shorewall-symlink (16651) |  Medium Risk |
Description:
Shorewall (Shoreline Firewall) could allow the attacker to create or overwrite files on the system with privileges of the Shorewall process.
Consequences:
File Manipulation
Remedy:
For Shorewall 2.0.x:
Upgrade to the latest version (2.0.3a or later), available from the Shorewall Web site. See References.
For Shorewall 1.4.x:
Upgrade to the latest version (1.4.10f or later), available from the Shorewall Web site. See References.
For Gentoo Linux:
Upgrade to the latest version of Shorewall (1.4.10f or later), as listed in GLSA 200407-07. See References.
For Mandrake Linux:
Upgrade to the latest Shorewall package, as listed below. Refer to MandrakeSoft Security Advisory MDKSA-2004:080 : shorewall for more information. See References.
Mandrake Linux 9.1: 1.3.14-3.1.91mdk or later
Mandrake Linux 9.2: 1.4.8-2.2.92mdk or later
Mandrake Linux Multi Network Firewall 8.2: 1.3.11-1.2.M82mdk or later
Mandrake Linux Corporate Server 2.1: 1.3.7c-1.1.C21mdk or later
Mandrake Linux 10.0: 2.0.1-3.2.100mdk or later
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Shorewall Web site: Shorewall.
- BID-10682: Shorewall Insecure Temporary File Handling Symbolic Link Vulnerability
- CVE-2004-0647: shorewall 1.4.10c and earlier, and 2.0.x before 2.0.3a, allows local users to overwrite arbitrary files via a symlink attack on the chains-$$ temporary file.
- GLSA-200407-07: Shorewall : Insecure temp file handling
- MDKSA-2004:080: Updated shorewall packages fix temporary file vulnerabilities
Platforms Affected:
- Gentoo Linux
- Leaf Shorewall prior to 1.4.10f
- Leaf Shorewall prior to 2.0.3a
- MandrakeSoft Mandrake Linux 10.0
- MandrakeSoft Mandrake Linux 9.1
- MandrakeSoft Mandrake Linux 9.2
- MandrakeSoft Mandrake Linux Corporate Server 2.1
- MandrakeSoft Mandrake Multi Network Firewall 8.2
Reported:
Jul 08, 2004
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