What is CVE-2018-0167?

CVE-2018-0167 is a vulnerability in Cisco Ios, Ios Xe, And Xr, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2018-03-28.

Is CVE-2018-0167 known to be exploited?

Yes. CVE-2018-0167 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.

Buffer overflow in Cisco Ios, Ios Xe, And Xr

CVE-2018-0167

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 s…

Vulnerability class: Buffer Overflow

EPSS: 0.012 (79.3th percentile) — read the EPSS interpretation.

Affected products

N/a Cisco Ios, Ios Xe, And Xr — versions Cisco IOS, IOS XE, and IOS XR

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-03-17.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328… (x_refsource_CONFIRM)
ics-cert.us-cert.gov/advisories/ICSA-18-107-03 (x_refsource_MISC)
ics-cert.us-cert.gov/advisories/ICSA-18-107-04 (x_refsource_MISC)
1040586 (vdb-entry, x_refsource_SECTRACK)
ics-cert.us-cert.gov/advisories/ICSA-18-107-05 (x_refsource_MISC)
103564 (vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2018-0167?: CVE-2018-0167 is a vulnerability in Cisco Ios, Ios Xe, And Xr, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2018-03-28.
Is CVE-2018-0167 known to be exploited?: Yes. CVE-2018-0167 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.