CVE-2008-3806 Denial of service in n/a
Remote attackers can cause denial of service on Cisco IOS devices by sending crafted UDP packets to internal loopback addresses.
- 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-2008-3806?
CVE-2008-3806 is a high-severity denial of service vulnerability in Cisco Ios, published on 26 Sep 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS 12.0 through 12.4 on Cisco 10000, uBR10012 and uBR7200 series devices handles external UDP packets that are sent to 127.0.0.0/8 addresses intended for IPC communication within the device, which allows remote attackers to cause a denial of service (device or linecard reload) via crafted UDP packets, a different vulnerability than CVE-2008-3805.
Which versions are affected by CVE-2008-3806?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2008-3806?
No fix has been published for CVE-2008-3806 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-2008-3806 being exploited?
There is no known exploitation of CVE-2008-3806 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-fqgf-h56q-h3fr.