Buffer over-read in Open vSwitch - CVE-2018-17206

 

Buffer over-read in Open vSwitch - CVE-2018-17206

Published: December 18, 2018


Vulnerability identifier: #VU16580
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-17206
CWE-ID: CWE-126
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 cause DoS condition on the target system.

The vulnerability exists due to buffer over-read issue during BUNDLE action decoding in the decode_bundle function inside lib/ofp-actions.c. A remote attacker can trigger memory corruption and cause the service to crash.


How to mitigate CVE-2018-17206

Install update from vendor's website.

Sources