Resource exhaustion in url-regex - CVE-2020-7661
Published: August 20, 2020
Vulnerability identifier: #VU45806
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: CVE-2020-7661
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Kiwys
Affected software:
url-regex
url-regex
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources while processing regular expressions. A remote attacker can pass a very long string in String.test and perform a denial of service (DoS) attack.
How to mitigate CVE-2020-7661
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.