Plesk update for myLittleAdmin



Published: 2020-07-28
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-13166
CWE-ID CWE-798
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		Plesk
Web applications / Remote management & hosting panels

Vendor Parallels

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Use of hard-coded credentials

EUVDB-ID: #VU28219

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13166

CWE-ID: CWE-798 - Use of Hard-coded Credentials

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded "machineKey" in web.config. A remote unauthenticated attacker can serialize objects that will be parsed by the ASP code used by the server as if it were MyLittleAdmin’s serialized object and execute arbitrary code on the remote server.

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

Plesk: 17.5.3 - 17.8.11 Update 88

CPE2.3 External links

http://docs.plesk.com/release-notes/onyx/change-log/


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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