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Alerts This Week
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Gentoo: 202305-14 Critical: Xen Remote Code Exploitation Vulnerability

gentoo
Calendar Grey July 16, 2014
Scroller Gentoo
Uncover significant weaknesses in Xen impacting Gentoo that result in arbitrary code execution alerts and potential fixes.
Multiple vulnerabilities have been found in Xen, the worst of which could lead to arbitrary code execution.

Summary

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

Topics%20covered

Topics Covered

security advisory security update high severity gentoo arbitrary code execution code execution risk xen

Resolution

All Xen 4.3 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-emulations/xen-4.3.2-r2"
All Xen 4.2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-emulations/xen-4.2.4-r2"
All xen-tools 4.3 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=app-emulations/xen-tools-4.3.2-r2"
All xen-tools 4.2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=app-emulations/xen-tools-4.2.4-r2"
All Xen PVGRUB 4.3 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=app-emulations/xen-pvgrub-4.3.2"
All Xen PVGRUB 4.2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot -v ">=app-emulations/xen-pvgrub-4.2.4"

References

[ 1 ] CVE-2013-1442 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1442 [ 2 ] CVE-2013-4329 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4329 [ 3 ] CVE-2013-4355 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4355 [ 4 ] CVE-2013-4356 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4356 [ 5 ] CVE-2013-4361 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4361 [ 6 ] CVE-2013-4368 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4368 [ 7 ] CVE-2013-4369 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4369 [ 8 ] CVE-2013-4370 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4370 [ 9 ] CVE-2013-4371 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4371 [ 10 ] CVE-2013-4375 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4375 [ 11 ] CVE-2013-4416 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4416 [ 12 ] CVE-2013-4494 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4494 [ 13 ] CVE-2013-4551 http://nvd.nist.gov/nvd.cfm?cvena...

Read the Full Advisory

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201407-03
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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
critical
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Critical

Severity: High
Title: Xen: Multiple Vunlerabilities
Date: July 16, 2014
Bugs: #440768, #484478, #486354, #497082, #497084, #497086,
ID: 201407-03

Topics%20covered

Topics Covered

security advisory security update high severity gentoo arbitrary code execution code execution risk xen

Synopsis

Multiple vulnerabilities have been found in Xen, the worst of which could lead to arbitrary code execution.

Background

Xen is a bare-metal hypervisor.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulations/xen < 4.3.2-r4 >= 4.3.2-r4 *>= 4.2.4-r4 2 app-emulations/xen-tools < 4.3.2-r5 >= 4.3.2-r5 *>= 4.2.4-r6 3 app-emulations/xen-pvgrub < 4.3.2 *>= 4.3.2 *>= 4.2.4 ------------------------------------------------------------------- 3 affected packages

Impact

===== A remote attacker can utilize multiple vectors to execute arbitrary code, cause Denial of Service, or gain access to data on the host.

Workaround

There is no known workaround at this time.