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Gentoo: GLSA 202310-11 Normal Severity: Less Denial Service Issue

A filtering bypass in less may allow denial of service.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202310-11 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: less: Denial service Date: October 10, 2023 Bugs: #893530 ID: 202310-11 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A filtering bypass in less may allow denial of service. Background ========== less is a pager and text file viewer. Affected packages ================= Package Vulnerable Unaffected ------------- ------------ ------------ sys-apps/less < 608-r2 > = 608-r2 Description =========== less suffered from a flaw in its terminal escape sequence handling which made its filtering incomplete. Impact ====== Malicious input could clear the terminal output or otherwise manipulate it with faked interactions. Workaround ========== There is no known workaround at this time. Resolution ========== All less users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =sys-apps/less-608-r2" References ========== [ 1 ] CVE-2022-46663 https://nvd.nist.gov/vuln/detail/CVE-2022-46663 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202310-11 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 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 2023 Gentoo Foundation, Inc; referenced text belongs to its owner(s). Thecontents 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 202310-12 highlights a moderate risk DoS vulnerability in the grep command. Prompt action recommended.. less DoS, Gentoo security, terminal handling flaw. . LinuxSecurity.com Team

Oct 10, 2023 Gentoo