CVE-2017-9214: Integer Underflow
First published: Tue May 23 2017(Updated: )
A vulnerability in openvswitch was found. While parsing an OFPT_QUEUE_GET_CONFIG_REPLY type OFP 1.0 message, there is a buffer over-read that is caused by an unsigned integer underflow in the function `ofputil_pull_queue_get_config_reply10` in `lib/ofp-util.c`. References: <a href="https://mail.openvswitch.org/pipermail/ovs-dev/2017-May/332711.html">https://mail.openvswitch.org/pipermail/ovs-dev/2017-May/332711.html</a>
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Open vSwitch | =2.7.0 | |
| Debian Linux | =9.0 | |
| Red Hat OpenStack for IBM Power | =6.0 | |
| Red Hat OpenStack for IBM Power | =7.0 | |
| Red Hat OpenStack for IBM Power | =8 | |
| Red Hat OpenStack for IBM Power | =9 | |
| Red Hat OpenStack for IBM Power | =10 | |
| Red Hat OpenStack for IBM Power | =11 | |
| Red Hat Enterprise Virtualization | =4.1 | |
| Red Hat Enterprise Virtualization Manager | =4.1 | |
| Red Hat Enterprise Virtualization | =4.0 | |
| Red Hat Enterprise Linux | =7.0 |
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Reference Links
- 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://lists.debian.org/debian-lts-announce/2021/02/msg00032.html
- https://mail.openvswitch.org/pipermail/ovs-dev/2017-May/332711.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1456797
- https://bugzilla.redhat.com/show_bug.cgi?id=1456795
Frequently Asked Questions
What is the severity of CVE-2017-9214?
CVE-2017-9214 is considered to have a high severity due to its potential for buffer over-read, which could lead to application crashes or information leaks.
How do I fix CVE-2017-9214?
To fix CVE-2017-9214, you should update Open vSwitch to the latest version that contains the security patch for this vulnerability.
What software is affected by CVE-2017-9214?
CVE-2017-9214 affects Open vSwitch versions 2.7.0 and various versions of Red Hat OpenStack and Red Hat Enterprise Virtualization.
Is CVE-2017-9214 exploitable remotely?
Yes, CVE-2017-9214 can be potentially exploited remotely if an attacker can send crafted OFP messages to the affected Open vSwitch instance.
What type of vulnerability is CVE-2017-9214?
CVE-2017-9214 is classified as a buffer over-read vulnerability resulting from an unsigned integer underflow.
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