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Gentoo: GLSA-201701-07 Normal: Open vSwitch Remote Code Execution Risk

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Calendar Grey January 1, 2017
Scroller Gentoo
Gentoo Linux Advisory GLSA 202303-18 highlights a critical vulnerability in Open vSwitch that can lead to remote code execution stemming from a buffer overflow issue.
A buffer overflow in Open vSwitch might allow remote attackers to execute arbitrary code.

Summary

A buffer overflow was discovered in lib/flow.c in ovs-vswitchd.

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow code execution remote execution normal severity open vswitch

Resolution

All Open vSwitch users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-misc/openvswitch-2.5.0"

References

[ 1 ] CVE-2016-2074 https://www.cve.org/CVERecord?id=CVE-2016-2074

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201701-07
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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: Open vSwitch: Remote execution of arbitrary code
Date: January 01, 2017
Bugs: #577568
ID: 201701-07

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow code execution remote execution normal severity open vswitch

Synopsis

A buffer overflow in Open vSwitch might allow remote attackers to execute arbitrary code.

Background

Open vSwitch is a production quality multilayer virtual switch.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-misc/openvswitch < 2.5.0 >= 2.5.0

Impact

===== A remote attacker, using a specially crafted MPLS packet, could execute arbitrary code.

Workaround

There is no known workaround at this time.