CVE-2018-0172

Cisco IOS and IOS XE Software Improper Input Validation Vulnerability

Ios

A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability exists because the affected software performs incomplete input validation of option 82 information that it receives in DHCP Version 4 (DHCPv4) packets from DHCP relay agents. An attacker could exploit this…

29. Mär 2018

Ausgewertete Quellen

• Hersteller
  https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-dhcpr1
• Hinweis
  http://www.securityfocus.com/bid/103552
• Hinweis
  http://www.securitytracker.com/id/1040591
• Hinweis
  https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
• Hinweis
  https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
• Hinweis
  https://www.tenable.com/security/research/tra-2018-06
• CISA
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0172
• CISA
  Cisco IOS and IOS XE Software Improper Input Validation Vulnerability
• NVD
  CVE-2018-0172