#VU68490 Path traversal in Liferay Enterprise Portal - CVE-2022-42123

Vulnerability identifier: #VU68490

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-42123

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Liferay Enterprise Portal
Web applications / CMS

Vendor: Liferay

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the Elasticsearch Connector. A remote attacker can create or overwrite existing files on the filesystem via the installation of a malicious Elasticsearch Sidecar plugin

Mitigation
Install update from vendor's website.

Vulnerable software versions

Liferay Enterprise Portal: 7.3.3 ga4 - 7.3.7 ga8, 7.4.0 ga1 - 7.4.3.18 ga18

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External links
https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/125297941

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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.