Exploited
high
8.8
CWE
119
Advisory Published
Updated

CVE-2018-0167: Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability

First published: Wed Mar 28 2018(Updated: )

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.

Credit: ykramarz@cisco.com ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS=5.2.0.base
Cisco IOS XE=5.2.0.base
Cisco IOS XR=5.2.0.base
Cisco Asr 9001
Cisco Asr 9006
Cisco Asr 9010
Cisco Asr 9904
Cisco Asr 9906
Cisco Asr 9910
Cisco Asr 9912
Cisco Asr 9922
Rockwellautomation Allen-bradley Armorstratix 5700
Rockwellautomation Allen-bradley Stratix 5400
Rockwellautomation Allen-bradley Stratix 5410
Rockwellautomation Allen-bradley Stratix 5700
Rockwellautomation Allen-bradley Stratix 5900
Rockwellautomation Allen-bradley Stratix 8000
Rockwellautomation Allen-bradley Stratix 8300
All of
Any of
Cisco IOS=5.2.0.base
Cisco IOS XE=5.2.0.base
Cisco IOS XR>=4.1<5.1.3
Any of
Cisco Asr 9001
Cisco Asr 9006
Cisco Asr 9010
Cisco Asr 9904
Cisco Asr 9906
Cisco Asr 9910
Cisco Asr 9912
Cisco Asr 9922
All of
Any of
Cisco IOS<=15.6.3m1
Cisco IOS XE<=15.6.3m1
Rockwellautomation Allen-bradley Stratix 5900
All of
Any of
Cisco IOS<=15.2\(6\)e0a
Cisco IOS XE<=15.2\(6\)e0a
Any of
Rockwellautomation Allen-bradley Armorstratix 5700
Rockwellautomation Allen-bradley Stratix 5400
Rockwellautomation Allen-bradley Stratix 5410
Rockwellautomation Allen-bradley Stratix 5700
Rockwellautomation Allen-bradley Stratix 8000
All of
Any of
Cisco IOS<=15.2\(4a\)ea5
Cisco IOS XE<=15.2\(4a\)ea5
Rockwellautomation Allen-bradley Stratix 8300

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-0167?

    CVE-2018-0167 is a vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS XR and XE Software that could allow an unauthenticated attacker to cause a denial of service (DoS) or execute arbitrary code.

  • Who is affected by CVE-2018-0167?

    Cisco IOS, XR, and XE Software versions 5.2.0.base are affected by CVE-2018-0167.

  • How severe is CVE-2018-0167?

    CVE-2018-0167 has a severity rating of 8.8, which is considered high.

  • How can I fix CVE-2018-0167?

    Update to a fixed version of Cisco IOS, XR, or XE Software as recommended by Cisco.

  • Where can I find more information about CVE-2018-0167?

    You can find more information about CVE-2018-0167 on the following websites: [SecurityFocus](http://www.securityfocus.com/bid/103564), [SecurityTracker](http://www.securitytracker.com/id/1040586), [ICS-CERT](https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03).

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