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security advisorygentoosymlink attack

Gentoo: GLSA-202310-34 Moderate: Filezilla RCE Security Flaw Announced

An insecure temporary file usage has been reported in TkMan, allowing for symlink attacks.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200909-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: TkMan: Insecure temporary file usage Date: September 09, 2009 Bugs: #247540 ID: 200909-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= An insecure temporary file usage has been reported in TkMan, allowing for symlink attacks. Background ========= TkMan is a graphical, hypertext manual page and Texinfo browser for UNIX. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-text/tkman < 2.2-r1 > = 2.2-r1 Description ========== Dmitry E. Oboukhov reported that TkMan does not handle the "/tmp/tkman#####" and "/tmp/ll" temporary files securely. Impact ===== A local attacker could perform symlink attacks to overwrite arbitrary files with the privileges of the user running the application. Workaround ========= There is no known workaround at this time. Resolution ========= All TkMan users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose =app-text/tkman-2.2-r1 References ========= [ 1 ] CVE-2008-5137 https://www.cve.org/CVERecord?id=CVE-2008-5137 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/200909-07 Concerns? ======== Security is a primary focus of Gentoo Linux and ensuringthe confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at https://bugs.gentoo.org. License ====== Copyright 2009 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. https://creativecommons.org/licenses/by-sa/2.5/ . Gentoo Linux Advisory GLSA 202203-11 highlights a vulnerability in OpenSSH that poses a medium severity risk; updates recommended.. Gentoo Advisory, TkMan Security, Symlink Risks, Temporary File Issues. . LinuxSecurity.com Team

Sep 09, 2009 Gentoo