Information disclosure in F5 BIG-IP

1) Information disclosure

EUVDB-ID: #VU8913

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-6165

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.

The weakness exists in F5 BIG-IP running on VIPRIONi  due to the '/usr/bin/safenet-sync.sh' script to synchronize SafeNet External Network hardware security module (HSM) configuration elements between blades in a clustered deployment writes the HSM partition password in cleartext to the '/var/log/ltm' log file. A local attacker can obtain the SafeNet External Network HSM password.

Mitigation

Install update from vendor's website.

Vulnerable software versions

BIG-IP LTM: 11.5.1 HF6 - 12.1.2

BIG-IP AAM: 11.5.1 HF6 - 12.1.2

BIG-IP AFM: 11.5.1 HF6 - 12.1.2

BIG-IP Analytics: 11.5.1 HF6 - 12.1.2

BIG-IP APM: 11.5.1 HF6 - 12.1.2

BIG-IP ASM: 11.5.1 HF6 - 12.1.2

BIG-IP DNS: 12.0.0 - 12.1.2

BIG-IP GTM: 11.5.1 HF6 - 11.6.1 HF1

BIG-IP Link Controller: 11.5.1 HF6 - 12.1.2

BIG-IP PEM: 11.5.1 HF6 - 12.1.2

BIG-IP WebSafe: 11.6.0 - 12.1.2

External links

http://support.f5.com/csp/article/K74759095

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.