CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
Unauthenticated adjacent attackers can trigger buffer overflows in LLDP to execute arbitrary code or cause denial of service on Cisco IOS devices.
- Exploited in the wild
- Since 3 Mar 2022
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-0167?
CVE-2018-0167 is a high-severity memory corruption vulnerability in Cisco Ios, published on 28 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Multiple Buffer Overflow vulnerabilities in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCuo17183, CSCvd73487.
Weakness: CWE-119
Which versions are affected by CVE-2018-0167?
It affects 3 products.
Products include Cisco Ios, Cisco Ios Xe, Cisco Ios Xr.
How do I fix CVE-2018-0167?
No fix has been published for CVE-2018-0167 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 17 Mar 2022.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-0167 being exploited?
Yes. Attackers have exploited CVE-2018-0167 in the wild since at least 3 Mar 2022.
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-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
- CVE-2017-6738 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-h85m-74j9-4r6m.