Cleartext storage of sensitive information in F5 BIG-IP DNS

1) Cleartext storage of sensitive information

EUVDB-ID: #VU23775

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information on the target system.

The vulnerability exists due to the affected software stores password in plaintext. A remote user can use the TMOS Shell (tmsh) utility or the tsig-key configuration stanza in the "/config/bigip.conf" file and view the TSIG key secret in plain text.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

BIG-IP DNS: 13.1.0 - 15.0.1

External links

http://support.f5.com/csp/article/K36328238

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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