#VU8984 Security restrictions bypass in F5 Networks products - CVE-2017-6157
Vulnerability identifier: #VU8984
Vulnerability risk: High
CVSSv4.0: 8.1 [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:Amber]
CVE-ID: CVE-2017-6157
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 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 AAM
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: F5 Networks
Description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists in the virtual servers with a configuration that uses the HTTP Explicit Proxy function and/or a SOCKS profile. A remote attacker can modify BIG-IP system configuration, extract sensitive system files, and/or possible execute arbitrary command on the BIG-IP system.
Successful exploitation of the vulnerability may result in system compromise.
Mitigation
Install update from vendor's website.
Vulnerable software versions
BIG-IP WebSafe: 11.6.0 - 12.1.1
BIG-IP PEM: 11.5.1 HF6 - 12.1.1
BIG-IP Link Controller: 11.5.4 - 12.1.1
BIG-IP ASM: 11.5.4 - 12.1.1
BIG-IP APM: 11.5.4 - 12.1.1
BIG-IP AFM: 11.5.1 HF6 - 12.1.1
BIG-IP AAM: 11.5.0 - 12.1.1
BIG-IP LTM: 11.5.1 HF6 - 12.1.1
External links
https://support.f5.com/csp/article/K02692210
Q & A
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.
