Out-of-bounds read in Open vSwitch - CVE-2017-9264

 

Out-of-bounds read in Open vSwitch - CVE-2017-9264

Published: May 29, 2017 / Updated: December 21, 2022


Vulnerability identifier: #VU38936
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-9264
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: openvswitch.org
Affected software:
Open vSwitch

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to 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. A remote attacker can perform a denial of service attack.


How to mitigate CVE-2017-9264

Install update from vendor's website.

Sources