VAR-200811-0092
Vulnerability from variot - Updated: 2024-02-06 21:47fwb_install in fwbuilder 2.1.19 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/ssh-agent.##### temporary file. Fwbuilder is prone to a local security vulnerability. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201201-11
http://security.gentoo.org/
Severity: Normal Title: Firewall Builder: Privilege escalation Date: January 23, 2012 Bugs: #235809, #285861 ID: 201201-11
Synopsis
Insecure temporary file usage in Firewall Builder could allow attackers to overwrite arbitrary files.
Background
Firewall Builder is a GUI for easy management of multiple firewall platforms.
Affected packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-firewall/fwbuilder < 3.0.7 >= 3.0.7
Description
Two vulnerabilities in Firewall Builder allow the iptables and fwb_install scripts to use temporary files insecurely.
Workaround
There is no known workaround at this time.
Resolution
All Firewall Builder users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-firewall/fwbuilder-3.0.7"
NOTE: This is a legacy GLSA. Updates for all affected architectures are available since March 09, 2010. It is likely that your system is already no longer affected by this issue.
References
[ 1 ] CVE-2008-4956 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-4956 [ 2 ] CVE-2009-4664 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-4664
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201201-11.xml
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 2012 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.
http://creativecommons.org/licenses/by-sa/2.5
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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