CVE-2012-5017 Denial of service in n/a
Remote authenticated users can cause a denial of service on Cisco IOS devices by sending malformed IKEv2 packets during a VPN session.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2012-5017?
CVE-2012-5017 is a medium-severity denial of service vulnerability in Cisco Ios, published on 23 Apr 2014. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Cisco IOS before 15.1(1)SY1 allows remote authenticated users to cause a denial of service (device reload) by establishing a VPN session and then sending malformed IKEv2 packets, aka Bug ID CSCub39268.
Weakness: CWE-20
Which versions are affected by CVE-2012-5017?
It affects 8 products.
Products include Cisco Asr 1001, Cisco Asr 1002, Cisco Asr 1002-X, Cisco Asr 1002 Fixed Router, Cisco Asr 1004, Cisco Asr 1006 and 2 more.
How do I fix CVE-2012-5017?
No fix has been published for CVE-2012-5017 yet. Limit exposure of the affected software until one is available.
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-2012-5017 being exploited?
There is no known exploitation of CVE-2012-5017 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
Sources
Also known as GHSA-jh5p-g73f-c3cw.