CVE-2018-0257

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Summary

CVECVE-2018-0257
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-04-19 20:29:00 UTC
Updated2019-10-09 23:31:00 UTC
DescriptionA vulnerability in Cisco IOS XE Software running on Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, adjacent attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to the incorrect handling of certain DHCP packets. An attacker could exploit this vulnerability by sending certain DHCP packets to a specific segment of an affected device. A successful exploit could allow the attacker to increase CPU usage on the affected device and cause a DoS condition. Cisco Bug IDs: CSCvg73687.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Ios Xe 15.6(2)sp All All All
Operating System Cisco Ios Xe 15.6\(2\)sp All All All
Operating System Cisco Ios Xe 16.4 All All All
Operating System Cisco Ios Xe 16.5 All All All
Operating System Cisco Ios Xe 15.6\(2\)sp All All All
Operating System Cisco Ios Xe 16.4 All All All
Operating System Cisco Ios Xe 16.5 All All All
Operating System Cisco Ios Xe All All All All
Operating System Cisco Ios Xe All All All All
Operating System Cisco Ios Xe All All All All

References

ReferenceSourceLinkTags
Cisco cBR Series Converged Broadband Routers High CPU Usage Denial of Service Vulnerability CONFIRM tools.cisco.com Vendor Advisory
Cisco IOS XE on cBR Converged Broadband Routers DHCP Processing Flaw Lets Remote Users Consume Excessive CPU Resources on the Target System - SecurityTracker SECTRACK www.securitytracker.com Third Party Advisory, VDB Entry
Cisco cBR Series Converged Broadband Routers CVE-2018-0257 Denial of Service Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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