Incorrect Regular Expression in ShenYu - CVE-2022-26650
Published: May 17, 2022
Vulnerability identifier: #VU63330
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-2022-26650
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 improper input validation when processing untrusted input within the Pattern.matches() function in RegexPredicateJudge.java. A remote attacker can pass specially crafted input to the application and perform regular expression denial of service (ReDoS) attack.
Affected software
ShenYu
How to mitigate CVE-2022-26650
Install updates from vendor's website.
ShenYu - update to 2.4.3