CVE-2016-1409 Denial of service in n/a
Remote attackers can cause a denial of service in Cisco IOS XE, IOS XR, and NX-OS by sending crafted Neighbor Discovery messages.
- 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-2016-1409?
CVE-2016-1409 is a high-severity denial of service vulnerability in Cisco Ios, published on 29 May 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS XE 2.1 through 3.17S, IOS XR 2.0.0 through 5.3.2, and NX-OS allows remote attackers to cause a denial of service (packet-processing outage) via crafted ND messages, aka Bug ID CSCuz66542, as exploited in the wild in May 2016.
Weakness: CWE-20
Which versions are affected by CVE-2016-1409?
It affects 4 products.
Products include Cisco Ios, Cisco Ios Xe, Cisco Ios Xr, Cisco Nx-Os.
How do I fix CVE-2016-1409?
No fix has been published for CVE-2016-1409 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-2016-1409 being exploited?
There is no known exploitation of CVE-2016-1409 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-mmgr-38w5-mg7v.