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Gentoo Linux Security Advisory GLSA 200711-21 |
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http://security.gentoo.org/ |
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|
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Severity: High |
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Title: Bochs: Multiple vulnerabilities |
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Date: November 17, 2007 |
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Bugs: #188148 |
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ID: 200711-21 |
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|
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Synopsis |
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======== |
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|
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Multiple vulnerabilities have been discovered in Bochs, possibly |
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allowing for the execution of arbitrary code or a Denial of Service. |
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|
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Background |
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========== |
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|
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Bochs is a IA-32 (x86) PC emulator written in C++. |
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|
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 app-emulation/bochs < 2.3 >= 2.3 |
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|
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Description |
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=========== |
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|
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Tavis Ormandy of the Google Security Team discovered a heap-based |
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overflow vulnerability in the NE2000 driver (CVE-2007-2893). He also |
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discovered a divide-by-zero error in the emulated floppy disk |
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controller (CVE-2007-2894). |
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|
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Impact |
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====== |
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|
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A local attacker in the guest operating system could exploit these |
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issues to execute code outside of the virtual machine, or cause Bochs |
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to crash. |
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|
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Workaround |
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========== |
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|
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There is no known workaround at this time. |
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|
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Resolution |
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========== |
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|
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All Bochs users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=app-emulation/bochs-2.3" |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2007-2893 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2893 |
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[ 2 ] CVE-2007-2894 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2894 |
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|
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Availability |
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============ |
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|
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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|
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http://security.gentoo.org/glsa/glsa-200711-21.xml |
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|
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Concerns? |
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========= |
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|
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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http://bugs.gentoo.org. |
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|
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License |
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======= |
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|
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Copyright 2007 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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|
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http://creativecommons.org/licenses/by-sa/2.5 |
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