Resource exhaustion in UAParser.js - #VU27691

 

Resource exhaustion in UAParser.js - #VU27691

Published: May 11, 2020


Vulnerability identifier: #VU27691
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Faisal Salman
Affected software:
UAParser.js

Detailed vulnerability description

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

The vulnerability exists due to application does not properly control consumption of internal resources when parsing data with regular expressions. A remote attacker can pass specially crafted data to the application and perform a regular expression denial of service attack (ReDoS).


Remediation

Install updates from vendor's website.

Sources