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[ GLSA 200602-14 ] noweb: Insecure temporary file creation
From: Thierry Carrez <koon () gentoo org>
Date: Sun, 26 Feb 2006 17:22:46 +0100
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200602-14 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: noweb: Insecure temporary file creation Date: February 26, 2006 Bugs: #122705 ID: 200602-14 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== noweb is vulnerable to symlink attacks, potentially allowing a local user to overwrite arbitrary files. Background ========== noweb is a simple, extensible, and language independent literate programming tool. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-text/noweb < 2.9-r5 >= 2.9-r5 Description =========== Javier Fernandez-Sanguino has discovered that the lib/toascii.nw and shell/roff.mm scripts insecurely create temporary files with predictable filenames. Impact ====== A local attacker could create symbolic links in the temporary file directory, pointing to a valid file somewhere on the filesystem. When an affected script is called, this would result in the file being overwritten with the rights of the user running the script. Workaround ========== There is no known workaround at this time. Resolution ========== All noweb users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-text/noweb-2.9-r5" References ========== [ 1 ] CVE-2005-3342 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3342 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200602-14.xml 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 security () gentoo org or alternatively, you may file a bug at http://bugs.gentoo.org. License ======= Copyright 2006 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. http://creativecommons.org/licenses/by-sa/2.0
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- [ GLSA 200602-14 ] noweb: Insecure temporary file creation Thierry Carrez (Feb 27)