CVE-2013-6693 Denial of service in n/a
Remote attackers can cause a denial of service on Cisco IOS routers by establishing many multicast flows when multiple VRFs are configured.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2013-6693?
CVE-2013-6693 is a medium-severity denial of service vulnerability in Cisco Ios, published on 22 Nov 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The MLDP implementation in Cisco IOS 15.3(3)S and earlier on 7600 routers, when many VRFs are configured, allows remote attackers to cause a denial of service (chunk corruption and device reload) by establishing many multicast flows, aka Bug ID CSCue22345.
Weakness: CWE-119
Which versions are affected by CVE-2013-6693?
It affects 2 products.
Products include Cisco 7600 Router, Cisco Ios.
How do I fix CVE-2013-6693?
No fix has been published for CVE-2013-6693 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-2013-6693 being exploited?
There is no known exploitation of CVE-2013-6693 in the wild and no public exploit code.
Sources
Also known as GHSA-8439-8j33-xpx5.