Information disclosure in USB kernel driver in F5 Networks BIG-IP products

1) Out-of-bounds read

EUVDB-ID: #VU21630

Risk: Low

CVSSv3.1: 1.9 [CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15505

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the drivers/media/usb/dvb-usb/technisat-usb2.c USB driver in Linux kernel. A local user can use a specially crafted USB device to trigger out-of-bounds read error during data transfer and read contents of memory on the system.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

BIG-IP: 13.0.0 - 15.0.1

CPE2.3

• cpe:2.3:h:f5_networks:big-ip:13.1.3:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:14.0.1:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:14.1.2:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:15.0.1:*:*:*:*:*:*:
• cpe:2.3:h:f5_networks:big-ip:13.0.1:*:*:*:*:*:*:

External links

http://support.f5.com/csp/article/K28222050

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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