Heap-based Buffer Overflow Affecting python-openvswitch package, versions <0:2.6.1-13.git20161206.el7ost


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.43% (75th percentile)

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  • Snyk IDSNYK-RHEL7-PYTHONOPENVSWITCH-5255663
  • published26 Mar 2023
  • disclosed3 Mar 2017

Introduced: 3 Mar 2017

CVE-2017-9264  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade RHEL:7 python-openvswitch to version 0:2.6.1-13.git20161206.el7ost or higher.
This issue was patched in RHSA-2017:2648.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-openvswitch package and not the python-openvswitch 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.