Vulnerability identifier: #VU50076

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
OpenLiteSpeed
Server applications / Web servers

Vendor: LiteSpeed Technologies

Description

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation passed to the "/view/confMgr.php" script. A remote administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

OpenLiteSpeed: 1.7.0 - 1.7.8

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External links
http://exchange.xforce.ibmcloud.com/vulnerabilities/195724
http://github.com/litespeedtech/openlitespeed/issues/217

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.