Command injection in Cisco Secure Access Control Server - CVE-2018-0253
Published: May 7, 2018 / Updated: May 7, 2018
Vulnerability identifier: #VU12391
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-0253
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Secure Access Control Server
Cisco Secure Access Control Server
Detailed vulnerability description
The vulnerability allows a remote unauthenticated attacker to execute arbitrary commands on the target system.
The weakness exists in the ACS Report component due to insufficient validation of the Action Message Format (AMF) protocol. A remote attacker can send a specially crafted AMF message that contains malicious code, inject and execute arbitrary commands with root privileges.
How to mitigate CVE-2018-0253
Install update from vendor's website.