GLSA 201311-16: fcron: Information disclosure
| Severity: | low |
| Title: | fcron: Information disclosure |
| Date: | 11/25/2013 |
| Bugs: | |
| ID: | 201311-16 |
Synopsis
A vulnerability has been found in fcron, allowing local attackers to conduct symlink attacks.Background
fcron is a periodic command scheduler for Unix-based systems
Affected packages
| Package | Vulnerable | Unaffected | Architecture(s) |
|---|---|---|---|
| sys-process/fcron | < 3.0.5-r2 | >= 3.0.5-r2 | All supported architectures |
Description
The fcrontab function contains a race condition relating to symlinks.
Impact
A local attacker could perform symlink attacks to read arbitrary files with the privileges of the user running the application.
Workaround
There is no known workaround at this time.
Resolution
All fcron users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-process/fcron-3.0.5-r2"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.