CVE-2018-0167

CISA description

There is a buffer overflow vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software which could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code.

Required action

Apply updates per vendor instructions.

Notes & references

• https://nvd.nist.gov/vuln/detail/CVE-2018-0167

Where this lands in 800-53

Vulnerability data triggers these controls during assessment and continuous monitoring.

• RA-5 · Vulnerability Monitoring and Scanning
• SI-2 · Flaw Remediation
• CM-6 · Configuration Settings
• SI-7 · Software, Firmware, and Information Integrity
• CM-8 · System Component Inventory

External lookups

• NVD · CVE-2018-0167
• CVE.org · CVE-2018-0167
• CISA KEV catalog (canonical)