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.
Published 2018-03-28 22:29:01
Updated 2019-10-09 23:31:22
View at NVD,   CVE.org
Vulnerability category: OverflowExecute codeDenial of service

CVE-2018-0167 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability
CISA required action:
Apply updates per vendor instructions.
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.
Added on 2022-03-03 Action due date 2022-03-17

Exploit prediction scoring system (EPSS) score for CVE-2018-0167

0.50%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-0167

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.3
HIGH AV:A/AC:L/Au:N/C:C/I:C/A:C
6.5
10.0
NIST
8.8
HIGH CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
NIST

CWE ids for CVE-2018-0167

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by:
    • nvd@nist.gov (Primary)
    • ykramarz@cisco.com (Secondary)

References for CVE-2018-0167

Products affected by CVE-2018-0167

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