CVE-2012-5723 Denial of service in n/a
Remote attackers can cause a denial of service on Cisco ASR 1000 devices by sending crafted fragmented ICMP packets when BDI routing is enabled.
- 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-2012-5723?
CVE-2012-5723 is a medium-severity denial of service vulnerability in Cisco Ios Xe, published on 24 Apr 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco ASR 1000 devices with software before 3.8S, when BDI routing is enabled, allow remote attackers to cause a denial of service (device reload) via crafted (1) broadcast or (2) multicast ICMP packets with fragmentation, aka Bug ID CSCub55948.
Weakness: CWE-20
Which versions are affected by CVE-2012-5723?
It affects 9 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 3 more.
How do I fix CVE-2012-5723?
No fix has been published for CVE-2012-5723 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-2012-5723 being exploited?
There is no known exploitation of CVE-2012-5723 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xe
Sources
Also known as GHSA-q7c6-x96r-hrg8.