ReDoS in Liferay



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-33950
CWE-ID CWE-185
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Liferay Enterprise Portal
Web applications / CMS

Liferay DXP
Web applications / CMS

Vendor Liferay

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Incorrect Regular Expression

EUVDB-ID: #VU76580

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-33950

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient input validation when processing regular expressions. A remote user can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Liferay Enterprise Portal: 7.4.3.48 ga48 - 7.4.3.76 ga76

Liferay DXP: before 7.4 update 77

CPE2.3 External links

http://liferay.dev/portal/security/known-vulnerabilities/-/asset_publisher/jekt/content/cve-2023-33950


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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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