CVE-2014-3293 Denial of service in n/a
Remote attackers can cause denial of service on Cisco ASR901 devices by sending crafted IPv4 packets that trigger excessive CPU usage and BGP flapping.
- 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-2014-3293?
CVE-2014-3293 is a medium-severity denial of service vulnerability in Cisco Ios, published on 28 Oct 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS 15.4(3)S0b on ASR901 devices makes incorrect decisions to use the CPU for IPv4 packet processing, which allows remote attackers to cause a denial of service (BGP neighbor flapping) by sending many crafted IPv4 packets, aka Bug ID CSCuo29736.
Weakness: CWE-399
Which versions are affected by CVE-2014-3293?
It affects 2 products.
Products include Cisco Asr901, Cisco Ios.
How do I fix CVE-2014-3293?
No fix has been published for CVE-2014-3293 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-2014-3293 being exploited?
There is no known exploitation of CVE-2014-3293 in the wild and no public exploit code.
Sources
Also known as GHSA-v734-5rx9-g3rm.