CVE-2010-4671 Denial of service in n/a
Remote attackers can cause denial of service in Cisco IOS IPv6 stack by flooding Router Advertisement messages, leading to CPU exhaustion and device hang.
- 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-2010-4671?
CVE-2010-4671 is a high-severity denial of service vulnerability in Cisco Ios, published on 7 Jan 2011. 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 before 15.0(1)XA5 allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, as demonstrated by the flood_router6 program in the thc-ipv6 package, aka Bug ID CSCti33534.
Weakness: CWE-400
Which versions are affected by CVE-2010-4671?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2010-4671?
No fix has been published for CVE-2010-4671 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-2010-4671 being exploited?
There is no known exploitation of CVE-2010-4671 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-qcfh-5wrf-w2jc.