REDHAT-BUG-1457329: Medium severity open vswitch vulnerability

Published May 31, 2017
·
Updated

In lib/conntrack.c in the firewall implementation in Open vSwitch, there is a buffer over-read while parsing malformed TCP, UDP, and IPv6 packets in the functions extractl3ipv6, extractl4tcp, and extractl4udp that can be triggered remotely.

References:

https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html

Affected Software

1 affected component
Open vSwitch Open vSwitch

Event History

May 31, 2017
Data Sourced
via Red Hat·02:09 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-1457329?

The severity of REDHAT-BUG-1457329 is classified as important due to the potential for remote exploitation.

2

How do I fix REDHAT-BUG-1457329?

To fix REDHAT-BUG-1457329, you should update Open vSwitch to the latest version that contains the security patch.

3

What systems are affected by REDHAT-BUG-1457329?

REDHAT-BUG-1457329 affects systems running Open vSwitch, particularly in configurations utilizing TCP, UDP, and IPv6.

4

Can REDHAT-BUG-1457329 be exploited remotely?

Yes, REDHAT-BUG-1457329 can be exploited remotely by sending malformed TCP, UDP, or IPv6 packets.

5

What type of vulnerability is REDHAT-BUG-1457329?

REDHAT-BUG-1457329 is a buffer over-read vulnerability in the Open vSwitch firewall implementation.

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