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CVE-2017-9263

Published: 29 May 2017

In Open vSwitch (OvS) 2.7.0, while parsing an OpenFlow role status message, there is a call to the abort() function for undefined role status reasons in the function `ofp_print_role_status_message` in `lib/ofp-print.c` that may be leveraged toward a remote DoS attack by a malicious switch.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
openvswitch
Launchpad, Ubuntu, Debian
trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

xenial
Released (2.5.2-0ubuntu0.16.04.2)
yakkety Ignored
(end of life)
zesty
Released (2.6.1-0ubuntu5.1)
Patches:
upstream: https://github.com/openvswitch/ovs/commit/b76d4a81b8fbbc339d33b767e141c473ba350678

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H