Fcron fcrontab allows attacker to obtain information
| fcron-fcrontab-obtain-info (18078) |
Description:
Fcron could allow a local attacker to obtain sensitive information, caused by a vulnerability in the fcrontab tool, which is used to install, edit, list and remove fcron tables. A local attacker could set the EDITOR environment variable to a specific program to view the contents of the fcron.allow and fcron.deny files.
Consequences:
Obtain Information
Remedy:
Upgrade to the latest version of Fcron (2.0.2 or 2.9.5.1 or later), available from the Fcron Web site. See References.
For Gentoo Linux:
Upgrade to the latest version of Fcron (2.0.2, >= 2.9.5.1 or later), as listed in GLSA 200411-27. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- Fcron Web site: Welcome to Fcron's home page !.
- iDEFENSE Security Advisory 11.15.04: Multiple Security Vulnerabilities in Fcron.
- BID-11684: Fcron FCronTab/FCronSighUp Multiple Local Vulnerabilities
- CVE-2004-1033: Fcron 2.0.1, 2.9.4, and possibly earlier versions leak file descriptors of open files, which allows local users to bypass access restrictions and read fcron.allow and fcron.deny via the EDITOR environment variable.
- GLSA-200411-27: Fcron: Multiple vulnerabilities
Platforms Affected:
- FreeBSD FreeBSD
- Gentoo Linux
- OpenBSD OpenBSD
- Thibault Godouet Fcron 2.0.1
- Thibault Godouet Fcron 2.9.4
Reported:
Nov 15, 2004
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