CVE-2017-9264
First published: Mon May 29 2017(Updated: )
In lib/conntrack.c in the firewall implementation in Open vSwitch (OvS) 2.6.1, 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Open vSwitch | =2.6.1 |
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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 CVE-2017-9264?
CVE-2017-9264 has been classified with a medium severity level due to the potential for remote exploitation through malformed packets.
What versions of Open vSwitch are affected by CVE-2017-9264?
CVE-2017-9264 affects Open vSwitch version 2.6.1.
How do I fix CVE-2017-9264?
To fix CVE-2017-9264, upgrade your Open vSwitch installation to a version that is not vulnerable.
What type of vulnerability is CVE-2017-9264?
CVE-2017-9264 is a buffer over-read vulnerability that occurs while parsing certain malformed network packets.
Can CVE-2017-9264 be exploited remotely?
Yes, CVE-2017-9264 can be exploited remotely by sending malformed TCP, UDP, or IPv6 packets.
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