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Gentoo GLSA 201309-04: Snack Normal Severity Buffer Overflow Threat

A buffer overflow in Snack could result in execution of arbitrary code or Denial of Service.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201309-04 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Snack: User-assisted execution of arbitrary code Date: September 11, 2013 Bugs: #446822 ID: 201309-04 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= A buffer overflow in Snack could result in execution of arbitrary code or Denial of Service. Background ========= Snack is a sound toolkit for creating multi-platform audio applications with scripting languages. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-tcltk/snack < 2.2.10-r5 > = 2.2.10-r5 Description ========== The GetWavHeader() function in jkSoundFile.c does not have boundary checks when parsing format sub-chunks or unknown sub-chunks. Impact ===== A remote attacker could entice a user to open a specially crafted WAV file with an application using Snack, possibly resulting in execution of arbitrary code or a Denial of Service condition. Workaround ========= There is no known workaround at this time. Resolution ========= All Snack users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =dev-tcltk/snack-2.2.10-r5" References ========= [ 1 ] CVE-2012-6303 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6303 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201309-04 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 2013 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/ . A recent security notice for Gentoo alerts users to a critical buffer overflow issue in Snack that could result in unauthorized code execution.. buffer overflow, Snack code execution, Gentoo security advisory. . LinuxSecurity.com Team

Sep 11, 2013 Gentoo