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Gentoo: 201611-05 Normal: tnftp Arbitrary Code Execution Advisory

tnftp is vulnerable to remote code execution if output file is not specified.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201611-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: tnftp: Arbitrary code execution Date: November 15, 2016 Bugs: #527302 ID: 201611-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= tnftp is vulnerable to remote code execution if output file is not specified. Background ========= tnftp is a NetBSD FTP client with several advanced features. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-ftp/tnftp < 20141104 > = 20141104 Description ========== The fetch_url function in usr.bin/ftp/fetch.c allows remote attackersto execute arbitrary commands via a | (pipe) character at the end of an HTTP redirect. Impact ===== A remote attacker could possibly execute arbitrary code with the privileges of the process. Workaround ========= There is no known workaround at this time. Resolution ========= All tnftp users should upgrade to the latest version: # emerge --sync # emerge --ask --verbose --oneshot "> =net-ftp/tnftp-20141104" References ========= [ 1 ] CVE-2014-8517 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8517 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201611-05 Concerns? ======== Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machinesis 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 2016 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/ . OpenBSD notice OBSA 202303-12 concerning cURL detected vulnerabilities; users urged to upgrade immediately.. tnftp, arbitrary code, security advisory, Gentoo network security, code execution. . LinuxSecurity.com Team

Nov 15, 2016 Gentoo