Incorrect Regular Expression in UAParser.js - CVE-2020-7793

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Main Vulnerability Database Vulnerabilities #VU63704

Incorrect Regular Expression in UAParser.js - CVE-2020-7793

Published: May 26, 2022 / Updated: May 26, 2022


Vulnerability identifier: #VU63704
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-7793
CWE-ID: CWE-185
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

UAParser.js
SINEC INS
IBM Security QRadar Analyst Workflow

How to mitigate CVE-2020-7793

Install update from vendor's website.

UAParser.js - update to 0.7.23
SINEC INS - update to 1.0 SP2
IBM Security QRadar Analyst Workflow - update to 2.15.1

External References

Related Security Bulletins