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Alerts This Week
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Gentoo: GLSA 201412-41 Normal: OpenVPN Denial Of Service Risk

gentoo
Calendar Grey December 26, 2014
Scroller Gentoo
Gentoo Security Notice GLSA 202301-29 highlights a critical vulnerability in OpenVPN that poses a potential Denial of Service threat, demanding immediate remediation.
A vulnerability in OpenVPN could lead to Denial of Service.

Summary

OpenVPN does not properly handle control channel packets that are too small.

Resolution

All OpenVPN users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/openvpn-2.3.6"

References

[ 1 ] CVE-2014-8104 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8104

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201412-41
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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: OpenVPN: Denial of Service
Date: December 26, 2014
Bugs: #531308
ID: 201412-41

Synopsis

A vulnerability in OpenVPN could lead to Denial of Service.

Background

OpenVPN is a multi-platform, full-featured SSL VPN solution.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/openvpn < 2.3.6 >= 2.3.6

Impact

===== A remote authenticated attacker could send a specially crafted control channel packet, possibly resulting in a Denial of Service condition.

Workaround

There is no known workaround at this time.