#VU8921 Security restrictions bypass in F5 Networks products - CVE-2017-6145
Published: October 24, 2017
Vulnerability identifier: #VU8921
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-6145
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
BIG-IP WebSafe
BIG-IP PEM
BIG-IP ASM
BIG-IP APM
BIG-IP Analytics
BIG-IP AFM
BIG-IP LTM
BIG-IP Link Controller
BIG-IP DNS
BIG-IP AAM
BIG-IP WebSafe
BIG-IP PEM
BIG-IP ASM
BIG-IP APM
BIG-IP Analytics
BIG-IP AFM
BIG-IP LTM
BIG-IP Link Controller
BIG-IP DNS
BIG-IP AAM
Software vendor:
F5 Networks
F5 Networks
Description
The vulnerability allows a remote attacker to gain unauthorized access to the iControl REST API.
The weakness exists in the iControl REST API of multiple F5 BIG-IP systems due to improper validation of cookies when the iControl REST API converts BIGIPAuthCookie authorization cookies to X-F5-Auth-Token tokens.A remote attcker can obtain an expired BIG-IP authentication cookie could exploit this vulnerability to access valid iControl REST tokens, which could be used to access the iControl REST API on a targeted system.
The weakness exists in the iControl REST API of multiple F5 BIG-IP systems due to improper validation of cookies when the iControl REST API converts BIGIPAuthCookie authorization cookies to X-F5-Auth-Token tokens.A remote attcker can obtain an expired BIG-IP authentication cookie could exploit this vulnerability to access valid iControl REST tokens, which could be used to access the iControl REST API on a targeted system.
Remediation
Install update from vendor's website.