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Gentoo: 202101-06 Moderate: Ark Symlink Risk of Code Execution

Ark was found to allow arbitrary file overwrite, possibly allowing arbitrary code execution.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202101-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Ark: Symlink vulnerability Date: January 11, 2021 Bugs: #743959 ID: 202101-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= Ark was found to allow arbitrary file overwrite, possibly allowing arbitrary code execution. Background ========= Ark is a graphical file compression/decompression utility with support for multiple formats. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 kde-apps/ark < 20.04.3-r2 > = 20.04.3-r2 Description ========== KDE Ark did not fully verify symlinks contained within tar archives. Impact ===== A remote attacker could entice a user to open a specially crafted tar archive using KDE Ark, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition. Workaround ========= There is no known workaround at this time. Resolution ========= All KDE Ark users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =kde-apps/ark-20.04.3-r2" References ========= [ 1 ] CVE-2020-24654 https://nvd.nist.gov/vuln/detail/CVE-2020-24654 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202101-06 Concerns? ======== Security is aprimary 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 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 2021 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 Security Adviso. arbitrary, found, allow, overwrite, possibly, allowing, execution. . Severity: Important. LinuxSecurity.com Team

Jan 11, 2021 •Important Gentoo