CVE-2017-9263 Denial of service in n/a
A remote attacker can cause a denial of service in Open vSwitch by sending a malicious OpenFlow role status message that triggers an abort.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-9263?
CVE-2017-9263 is a medium-severity denial of service vulnerability in n/a, published on 29 May 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-20
Which versions are affected by CVE-2017-9263?
It affects 1 product.
Products include Openvswitch Openvswitch.
How do I fix CVE-2017-9263?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-9263 being exploited?
There is no known exploitation of CVE-2017-9263 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2017-9263, GHSA-3r4j-wr9x-6p4f, UBUNTU-CVE-2017-9263.