CVE-2018-20218

An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. The login form passes user input directly to a shell command without any kind of escaping or validation in /usr/share/www/check.lp file. An attacker is able to perform command injection using the "password" parameter in the login form.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://zxsecurity.co.nz/research.html	Not Applicable
http://seclists.org/fulldisclosure/2019/Feb/48	Exploit Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:teracue:enc-400_hdmi_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:teracue:enc-400_hdmi:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:teracue:enc-400_hdmi2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:teracue:enc-400_hdmi2:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:teracue:enc-400_hdsdi_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:teracue:enc-400_hdsdi:-:*:*:*:*:*:*:*

Information

Published : 2019-03-21 09:00

Updated : 2019-10-02 17:03

NVD link : CVE-2018-20218

Mitre link : CVE-2018-20218

JSON object : View

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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Products Affected

teracue

enc-400_hdmi_firmware
enc-400_hdmi
enc-400_hdmi2_firmware
enc-400_hdmi2
enc-400_hdsdi
enc-400_hdsdi_firmware

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