Incorrect Regular Expression in prism - CVE-2021-3801
Published: September 4, 2023
Vulnerability identifier: #VU80337
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-3801
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 trick the victim into opening specially crafted data and perform regular expression denial of service (ReDos) attack.
Affected software
prism
Storage Defender – Data Protect
Red Hat Advanced Cluster Security for Kubernetes
Storage Defender – Data Protect
Red Hat Advanced Cluster Security for Kubernetes
How to mitigate CVE-2021-3801
Install updates from vendor's website.
prism - update to 1.25.0
Storage Defender – Data Protect - update to 1.3.0
Red Hat Advanced Cluster Security for Kubernetes - update to 3.67
Storage Defender – Data Protect - update to 1.3.0
Red Hat Advanced Cluster Security for Kubernetes - update to 3.67