CVE-2013-1166 Denial of service in n/a
Remote attackers can cause a denial of service on Cisco IOS XE routers by sending many SIP packets when VRF-aware NAT and SIP ALG are 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-2013-1166?
CVE-2013-1166 is a high-severity denial of service vulnerability in Cisco Ios Xe, published on 11 Apr 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS XE 3.2 through 3.4 before 3.4.5S, and 3.5 through 3.7 before 3.7.1S, on 1000 series Aggregation Services Routers (ASR), when VRF-aware NAT and SIP ALG are enabled, allows remote attackers to cause a denial of service (card reload) by sending many SIP packets, aka Bug ID CSCuc65609.
Weakness: CWE-20
Which versions are affected by CVE-2013-1166?
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-2013-1166?
No fix has been published for CVE-2013-1166 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-2013-1166 being exploited?
There is no known exploitation of CVE-2013-1166 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xe
Sources
Also known as GHSA-vrc2-g3wg-h66r.