CVE-2012-4617 Denial of service in n/a
Remote attackers with BGP peer access can cause denial of service in Cisco IOS by sending malformed BGP attributes.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2012-4617?
CVE-2012-4617 is a high-severity denial of service vulnerability in Cisco Ios, published on 27 Sep 2012. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The BGP implementation in Cisco IOS 15.2, IOS XE 3.5.xS before 3.5.2S, and IOS XR 4.1.0 through 4.2.2 allows remote attackers to cause a denial of service (multiple connection resets) by leveraging a peer relationship and sending a malformed attribute, aka Bug IDs CSCtt35379, CSCty58300, CSCtz63248, and CSCtz62914.
Weakness: CWE-20
Which versions are affected by CVE-2012-4617?
It affects 3 products.
Products include Cisco Ios, Cisco Ios Xe, Cisco Ios Xr.
How do I fix CVE-2012-4617?
No fix has been published for CVE-2012-4617 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-2012-4617 being exploited?
There is no known exploitation of CVE-2012-4617 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-gmvh-96pj-qpf9.