CVE-2014-3335 Denial of service in n/a
Remote attackers can cause denial of service on Cisco ASR 9000 devices by sending crafted multicast packets that hang hardware chips and cards.
- 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-2014-3335?
CVE-2014-3335 is a medium-severity denial of service vulnerability in Cisco Ios Xr, published on 26 Aug 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS XR 4.3(.2) and earlier on ASR 9000 devices does not properly perform NetFlow sampling of packets with multicast destination MAC addresses, which allows remote attackers to cause a denial of service (chip and card hangs) via a crafted packet, aka Bug ID CSCup77750.
Weakness: CWE-20
Which versions are affected by CVE-2014-3335?
It affects 8 products.
Products include Cisco Asr 9000 Rsp440 Router, Cisco Asr 9001, Cisco Asr 9006, Cisco Asr 9010, Cisco Asr 9904, Cisco Asr 9912 and 2 more.
How do I fix CVE-2014-3335?
No fix has been published for CVE-2014-3335 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-2014-3335 being exploited?
There is no known exploitation of CVE-2014-3335 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xr
Sources
Also known as GHSA-5cw5-jwpw-v565.