REDHAT-BUG-1457329
First published: Wed 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 `extract_l3_ipv6`, `extract_l4_tcp`, and `extract_l4_udp` that can be triggered remotely. References: <a href="https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html">https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Open vSwitch |
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Reference Links
- https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1456797
- https://access.redhat.com/errata/RHSA-2017:2418
- https://access.redhat.com/errata/RHSA-2017:2648
- https://access.redhat.com/errata/RHSA-2017:2727
- https://bugzilla.redhat.com/show_bug.cgi?id=1457329
Frequently Asked Questions
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.
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.
What systems are affected by REDHAT-BUG-1457329?
REDHAT-BUG-1457329 affects systems running Open vSwitch, particularly in configurations utilizing TCP, UDP, and IPv6.
Can REDHAT-BUG-1457329 be exploited remotely?
Yes, REDHAT-BUG-1457329 can be exploited remotely by sending malformed TCP, UDP, or IPv6 packets.
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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