Vulnerability identifier: #VU8921
Vulnerability risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
BIG-IP WebSafe
Server applications /
Server solutions for antivurus protection
BIG-IP PEM
Hardware solutions /
Security hardware applicances
BIG-IP ASM
Hardware solutions /
Security hardware applicances
BIG-IP APM
Hardware solutions /
Security hardware applicances
BIG-IP Analytics
Hardware solutions /
Security hardware applicances
BIG-IP AFM
Hardware solutions /
Security hardware applicances
BIG-IP LTM
Hardware solutions /
Security hardware applicances
BIG-IP Link Controller
Hardware solutions /
Routers & switches, VoIP, GSM, etc
BIG-IP DNS
Hardware solutions /
Routers & switches, VoIP, GSM, etc
BIG-IP AAM
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor:
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.
Mitigation
Install update from vendor's website.
Vulnerable software versions
BIG-IP WebSafe: 12.0 - 13.0.0
:
BIG-IP Link Controller: 12.0.0 - 13.0.0
:
BIG-IP ASM: 12.0.0 - 13.0.0
:
BIG-IP Analytics: 12.0.0 - 13.0.0
:
BIG-IP AAM: 12.0.0 - 13.0.0
:
External links
http://support.f5.com/csp/article/K22317030
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.