Resource exhaustion in UAParser.js - #VU27691
Published: May 11, 2020
Vulnerability identifier: #VU27691
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: N/A
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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).
Affected software
UAParser.js
Remediation
Install updates from vendor's website.
UAParser.js - update to 0.7.18