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Gentoo: GLSA-200509-07 High: X.Org Heap Overflow Code Execution

An integer overflow in pixmap memory allocation potentially allows any X.Org user to execute arbitrary code with elevated privileges.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200509-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: X.Org: Heap overflow in pixmap allocation Date: September 12, 2005 Bugs: #105688 ID: 200509-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= An integer overflow in pixmap memory allocation potentially allows any X.Org user to execute arbitrary code with elevated privileges. Background ========= X.Org is X.Org Foundation's Public Implementation of the X Window System. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 x11-base/xorg-x11 < 6.8.2-r3 > = 6.8.2-r3 Description ========== X.Org is missing an integer overflow check during pixmap memory allocation. Impact ===== An X.Org user could exploit this issue to make the X server execute arbitrary code with elevated privileges. Workaround ========= There is no known workaround at this time. Resolution ========= All X.org users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =x11-base/xorg-x11-6.8.2-r3" References ========= [ 1 ] CAN-2005-2495 https://www.cve.org/CVERecord?id=CAN-2005-2495 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/200509-07 Concerns? ======== Security is a primaryfocus 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 2005 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/2.0/ . X.Org buffer overflow vulnerability enables unauthorized code execution. Gentoo advisory GLSA 200509-08 elaborates on the problem and solution.. heap overflow,pixmap allocation,Gentoo security advisory,code execution,elevated privileges. . LinuxSecurity.com Team

Sep 12, 2005 Gentoo