Insecure temporary file usage in Firewall Builder could allow attackers to overwrite arbitrary files.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201201-11 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://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 attackersto 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. Impact ===== A local attacker could possibly overwrite arbitrary files with the privileges of the user running Firewall Builder. 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: https://security.gentoo.org/glsa/201201-11 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
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