Incorrect Regular Expression in sanitize-html - CVE-2022-25887

Vulnerability identifier: #VU68954

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-25887

CWE-ID: CWE-185

Exploitation vector: Remote access

Exploit availability: No public exploit available

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 pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

sanitize-html
Red Hat Advanced Cluster Management for Kubernetes
IBM Cloud Pak for Business Automation
IBM Business Automation Workflow
Ubuntu
jupyter-notebook (Ubuntu package)
python3-notebook (Ubuntu package)

Install update from vendor's website.

sanitize-html - update to 2.7.1
Red Hat Advanced Cluster Management for Kubernetes - update to 2.6.2
IBM Cloud Pak for Business Automation - addressed in versions 21.0.3.17, 22.0.2.1
jupyter-notebook (Ubuntu package) - addressed in versions Ubuntu Pro, 6.4.13-2ubuntu0.1, 6.4.13-5ubuntu0.1
python3-notebook (Ubuntu package) - addressed in versions Ubuntu Pro, 6.4.13-2ubuntu0.1, 6.4.13-5ubuntu0.1
IBM Business Automation Workflow - addressed in versions 21.0.3 IF016, 22.0.2 IF001

• https://security.snyk.io/vuln/SNYK-JS-SANITIZEHTML-2957526
• https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-3008102
• https://github.com/apostrophecms/sanitize-html/pull/557
• https://github.com/apostrophecms/sanitize-html/commit/b4682c12fd30e12e82fa2d9b766de91d7d2cd23c

• Regular expression denial of service in sanitize-html
• Multiple vulnerabilities in Red Hat Advanced Cluster Management 2.6
• Multiple vulnerabilities in IBM Cloud Pak for Business Automation
• Incorrect regular expression in IBM Business Automation Workflow
• Ubuntu update for jupyter-notebook