SGI FAM daemon fails to properly enforce permissions
| sgi-fam-insecure-permissions (9880) |  Medium Risk |
Description:
File Alteration Monitor (FAM) fails to properly enforce permissions. A local attacker with the ability to obtain the file names of FAM files that should only be readable by root could use this vulnerability to possibly gain read and write permissions on these files.
Consequences:
Obtain Information
Remedy:
For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest version of FAM (2.6.6.1-5.2 or later), as listed in DSA-154-1. See References.
For FreeBSD Ports Collection:
Upgrade to the latest ports collection, as listed in FreeBSD Security Notice FreeBSD-SN-02:05. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Debian Bug Report Logs - #148853: fam doesn't work.
- FreeBSD Security Notice FreeBSD-SN-02:05 : security issues in ports.
- SGI Bugzilla Bug 151: flaw in primary group handling - unable to FAM files in some directories.
- BID-5487: SGI FAM Arbitrary Root Owned Directory File Listing Vulnerability
- CVE-2002-0875: Vulnerability in FAM 2.6.8, 2.6.6, and other versions allows unprivileged users to obtain the names of files whose access is restricted to the root group.
- DSA-154: fam -- privilege escalation
- RHSA-2005-005: fam security update
Platforms Affected:
- Debian Debian Linux 3.0
- FreeBSD FreeBSD Ports Collection
- RedHat Enterprise Linux 2.1 AS
- RedHat Enterprise Linux 2.1 ES
- RedHat Enterprise Linux 2.1 WS
- RedHat Linux Advanced Workstation 2.1 Itanium
Reported:
Aug 15, 2002
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