Heap-based Buffer Overflow Affecting openvswitch-ovn-central package, versions <0:2.7.2-1.git20170719.el7fdp
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-RHEL7-OPENVSWITCHOVNCENTRAL-3625711
- published26 Mar 2023
- disclosed3 Mar 2017
Introduced: 3 Mar 2017
CVE-2017-9264 (opens in a new tab)How to fix?
Upgrade RHEL:7 openvswitch-ovn-central to version 0:2.7.2-1.git20170719.el7fdp or higher.
This issue was patched in RHSA-2017:2418.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openvswitch-ovn-central package and not the openvswitch-ovn-central package as distributed by RHEL.
See How to fix? for RHEL:7 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.