CVE-2017-8862 Information

Description

The webupgrade function on the Cohu 3960HD does not verify the firmware upgrade files or process allowing an attacker to upload a specially crafted postinstall.sh file that will be executed with \root\ privileges.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://bneg.io/2017/05/12/vulnerabilities-in-cohu-3960hd/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8