Out-of-bounds Read Affecting openvswitch package, versions <2.6.1-0ubuntu5.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1704-OPENVSWITCH-278694
- published29 May 2017
- disclosed29 May 2017
Introduced: 29 May 2017
CVE-2017-9264 (opens in a new tab)How to fix?
Upgrade Ubuntu:17.04 openvswitch to version 2.6.1-0ubuntu5.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openvswitch package and not the openvswitch package as distributed by Ubuntu.
See How to fix? for Ubuntu:17.04 relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-9264
- https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html
- https://security-tracker.debian.org/tracker/CVE-2017-9264
- https://access.redhat.com/errata/RHSA-2017:2418
- https://access.redhat.com/errata/RHSA-2017:2648
- https://access.redhat.com/errata/RHSA-2017:2727