Cisco Security Updates
Date: 27 September 2017
The purpose of this advisory is to bring attention to multiple Cisco security advisories.
Cisco released multiple security updates to address vulnerabilities in the following products.
-Cisco IOS XE Software Web UI REST API Authentication Bypass Vulnerability
-Cisco IOS XE Software Web UI Privilege Escalation Vulnerability
-Cisco IOS and IOS XE Software DHCP Remote Code Execution Vulnerability
-Cisco Mobility Express 1800 Access Point Series Authentication Bypass Vulnerability
-Cisco IOS Software for Cisco Catalyst 6800 Series Switches VPLS Denial of Service Vulnerability
-Cisco IOS Software for Cisco Integrated Services Routers Generation 2 Denial of Service Vulnerability
-Cisco IOS Software for Cisco Industrial Ethernet Switches PROFINET Denial of Service Vulnerability
-Cisco IOS and IOS XE Software Plug-and-Play PKI API Certificate Validation Vulnerability
-Cisco IOS XE Software for Cisco 5760 WLC, Cisco Catalyst 4500E Supervisor Engine 8-E, and Cisco NGWC 3850 GUI Privilege Escalation Vulnerability
-Cisco IOS Software Network Address Translation Denial of Service Vulnerability
-Cisco IOS XE Software Locator/ID Separation Protocol Authentication Bypass Vulnerability
-Cisco IOS XE Wireless Controller Manager Denial of Service Vulnerability
-Cisco IOS and IOS XE Software Internet Key Exchange Denial of Service Vulnerability
-Cisco IOS Software Common Industrial Protocol Request Denial of Service Vulnerabilities
-Cisco IOS XE Software for Cisco ASR 1000 Series and cBR-8 Routers Line Card Console Access Vulnerability
CVE References: CVE-2017-3831, CVE-2017-12222, CVE-2017-12226, CVE-2017-12228, CVE-2017-12229, CVE-2017-12230, CVE-2017-12231, CVE-2017-12232, CVE-2017-12233, CVE-2017-12234, CVE-2017-12235, CVE-2017-12236, CVE-2017-12237, CVE-2017-12238, CVE-2017-12239, CVE-2017-12240
CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications accordingly.
Note to Readers
In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.
Please note, CCIRC PGP key has recently been updated.
For general information, please contact Public Safety Canada's Public Affairs division at:
Telephone: 613-944-4875 or 1-800-830-3118
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