Remote code execution in openHAB Add-ons



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-5242
CWE-ID CWE-94
Exploitation vector Network
Public exploit N/A
Vulnerable software
 openHAB Add-ons
Web applications / Modules and components for CMS

Vendor openHAB

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Code Injection

EUVDB-ID: #VU25685

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-5242

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote attacker can use REST calls to install the "EXEC" binding or "EXEC" transformation service and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

openHAB Add-ons: 0.6.0 - 2.5.1

CPE2.3 External links

https://github.com/openhab/openhab-addons/commit/4c4cb664f2e2c3866aadf117d22fb54aa8dd0031
https://github.com/openhab/openhab-addons/security/advisories/GHSA-w698-693g-23hv


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



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