#VU50660 Improper Privilege Management in OpenLiteSpeed

Vulnerability identifier: #VU50660

Vulnerability risk: Medium

CVSSv4.0: 7.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: N/A

CWE-ID: CWE-269

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
OpenLiteSpeed
Server applications / Web servers

Vendor: LiteSpeed Technologies

Description

The vulnerability allows a remote user to escalate privileges.

The vulnerability exists due to improper privilege management. A remote administrator can use the extUser or extGroup parameters to gain sudo access and escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

OpenLiteSpeed: 1.7.0 - 1.7.8

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External links
https://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.