Vulnerability identifier: #VU65355

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-7753

CWE-ID: CWE-185

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
trim
Web applications / Modules and components for CMS

Vendor: Rich Trott

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 attacker 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

trim: 0.0.1 - 1.0.0

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External links
http://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1022132
http://github.com/component/trim/blob/master/index.js%23L6
http://snyk.io/vuln/SNYK-JS-TRIM-1017038
http://lists.apache.org/thread.html/r75b8d0b88833d7d96afcdce3ead65e212572ead4e7a9f34d21040196@%3Ccommits.airflow.apache.org%3E
http://lists.apache.org/thread.html/rb8462df3b6484e778905c09cd49a8912e1a302659860017ebe36da03@%3Ccommits.airflow.apache.org%3E
http://lists.apache.org/thread.html/r10faad1ef9166d37a1a5c9142b1af7099b8ecdc5ad05c51b8ea993d9@%3Ccommits.airflow.apache.org%3E
http://lists.apache.org/thread.html/r51ff3c2a4c7b8402f321eae7e624672cc2295c7bc8c12c8b871f6b0b@%3Ccommits.airflow.apache.org%3E
http://lists.apache.org/thread.html/rcc7c2865a52b544a8e49386c6880e9b9ab29bfce1052b5569d09ee4a@%3Ccommits.airflow.apache.org%3E

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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.