CVE-2018-19988 Information

Description

In the /HNAP1/SetClientInfoDemo message the AudioMute and AudioEnable parameters are vulnerable and the vulnerabilities affect D-Link DIR-868L Rev.B 2.05B02 devices. In the SetClientInfoDemo.php source code the AudioMute and AudioEnble parameters are saved in the ShellPath script file without any regex checking. After the script file is executed the command injection occurs. It needs to bypass the wget command option with a single quote. A vulnerable /HNAP1/SetClientInfoDemo XML message could have single quotes and backquotes in the AudioMute or AudioEnable element such as the ‘telnetd’ string.

CVSS Vector

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

Reference

https://github.com/pr0v3rbs/CVE/tree/master/CVE-2018-1998620-2019990

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