Buffer Overflow Vulnerabilities in Cisco IOS Software and Related Products
CVE-2018-0167

8.8HIGH

Key Information:

Vendor
Cisco
Status
Cisco iOS, iOS Xe, And iOS Xr
Vendor
CVE Published:
28 March 2018

Badges

👾 Exploit Exists🦅 CISA Reported

Summary

The Link Layer Discovery Protocol (LLDP) subsystem in various Cisco software versions is prone to multiple buffer overflow vulnerabilities. An unauthenticated, adjacent attacker could exploit these vulnerabilities to trigger a denial of service (DoS) condition or execute arbitrary code with elevated privileges on the affected devices. This poses significant risks to network integrity and security, making it critical for users of Cisco IOS Software, IOS XE Software, and IOS XR Software to apply the necessary patches to mitigate these vulnerabilities.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Cisco IOS, IOS XE, and IOS XR Cisco IOS, IOS XE, and IOS XR

References

https://tools.cisco.com/security/center/content/CiscoSecu...
x_refsource_CONFIRM
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03
x_refsource_MISC
https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.