Vulnerability identifier: #VU31790
Vulnerability risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-276
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
BIG-IP
Hardware solutions /
Firmware
BIG-IP LTM
Hardware solutions /
Security hardware applicances
BIG-IP AFM
Hardware solutions /
Security hardware applicances
BIG-IP Analytics
Hardware solutions /
Security hardware applicances
BIG-IP APM
Hardware solutions /
Security hardware applicances
BIG-IP ASM
Hardware solutions /
Security hardware applicances
BIG-IP FPS
Hardware solutions /
Security hardware applicances
BIG-IP GTM
Hardware solutions /
Security hardware applicances
BIG-IP PEM
Hardware solutions /
Security hardware applicances
BIG-IP AAM
Hardware solutions /
Routers & switches, VoIP, GSM, etc
BIG-IP DNS
Hardware solutions /
Routers & switches, VoIP, GSM, etc
BIG-IP Link Controller
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: F5 Networks
Description
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to incorrect default permissions for the "scp.blacklist" files. A remote user can read and overwrite blacklisted files via SCP.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
BIG-IP: 12.1.0 - 12.1.5, 13.1.0 - 13.1.3, 11.6.1 - 11.6.5
BIG-IP LTM: 11.6.1 - 13.1.3
BIG-IP AAM: 11.6.1 - 13.1.3
BIG-IP AFM: 11.6.1 - 13.1.3
BIG-IP Analytics: 11.6.1 - 13.1.3
BIG-IP APM: 11.6.1 - 13.1.3
BIG-IP ASM: 11.6.1 - 13.1.3
BIG-IP DNS: 11.6.1 - 13.1.3
BIG-IP FPS: 11.6.1 - 13.1.3
BIG-IP GTM: 11.6.1 - 13.1.3
BIG-IP Link Controller: 11.6.1 - 13.1.3
BIG-IP PEM: 11.6.1 - 13.1.3
External links
http://support.f5.com/csp/article/K82518062
http://www.kb.cert.org/vuls/id/290915
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.