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Gentoo: 201202-07 Normal: Libvirt Access Issues and DoS Threat

gentoo
Calendar Grey February 27, 2012
Dist Gentoo Esm H88
Libvirt vulnerabilities in Gentoo expose risks like unauthorized file access and potential Denial of Service. Immediate action is essential for security
Multiple vulnerabilities were found in libvirt, the worst of which might allow guest OS users to read arbitrary files on the host OS.

Summary

Multiple vulnerabilities have been discovered in libvirt. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory Gentoo DoS threat normal severity access issues libvirt

Resolution

All libvirt users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/libvirt-0.9.3-r1"

References

[ 1 ] CVE-2011-1146 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1146 [ 2 ] CVE-2011-1486 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1486 [ 3 ] CVE-2011-2178 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2178 [ 4 ] CVE-2011-2511 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2511

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201202-07
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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 https://bugs.gentoo.org.

Severity: Normal
Title: libvirt: Multiple vulnerabilities
Date: February 27, 2012
Bugs: #358877, #372963, #373991, #386287
ID: 201202-07

Topics%20covered

Topics Covered

security advisory Gentoo DoS threat normal severity access issues libvirt

Synopsis

Multiple vulnerabilities were found in libvirt, the worst of which might allow guest OS users to read arbitrary files on the host OS.

Background

libvirt is a C toolkit to manipulate virtual machines.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/libvirt < 0.9.3-r1 >= 0.9.3-r1

Impact

===== These vulnerabilites allow a remote attacker to cause a Denial of Service condition on the host server or libvirt daemon, or might allow guest OS users to read arbitrary files on the host OS.

Workaround

There is no known workaround at this time.

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