CVE-2017-9263: Input Validation
First published: Mon May 29 2017(Updated: )
In Open vSwitch (OvS) 2.7.0, while parsing an OpenFlow role status message, there is a call to the abort() function for undefined role status reasons in the function `ofp_print_role_status_message` in `lib/ofp-print.c` that may be leveraged toward a remote DoS attack by a malicious switch.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Open vSwitch | =2.7.0 |
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Reference Links
- https://mail.openvswitch.org/pipermail/ovs-dev/2017-May/332966.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-2017:2553
- https://access.redhat.com/errata/RHSA-2017:2648
- https://access.redhat.com/errata/RHSA-2017:2665
- https://access.redhat.com/errata/RHSA-2017:2692
- https://access.redhat.com/errata/RHSA-2017:2698
- https://access.redhat.com/errata/RHSA-2017:2727
- https://bugzilla.redhat.com/show_bug.cgi?id=1457327
Frequently Asked Questions
What is the severity of CVE-2017-9263?
CVE-2017-9263 is classified as a potential remote denial of service (DoS) vulnerability.
How do I fix CVE-2017-9263?
To mitigate CVE-2017-9263, upgrade Open vSwitch to a version later than 2.7.0 that addresses this vulnerability.
Who is affected by CVE-2017-9263?
Open vSwitch version 2.7.0 is specifically affected by CVE-2017-9263.
What type of attack does CVE-2017-9263 enable?
CVE-2017-9263 can be exploited to perform a remote denial of service attack.
What component in Open vSwitch is impacted by CVE-2017-9263?
The `ofp_print_role_status_message` function in `lib/ofp-print.c` is impacted by CVE-2017-9263.
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