PT-2021-23638 · Owasp · Owasp Java Html Sanitizer

Published 2021-10-18 · Updated 2023-02-24 · CVE-2021-42575

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions OWASP Java HTML Sanitizer versions prior to 20211018.1

Description The issue is related to the improper enforcement of policies associated with the SELECT, STYLE, and OPTION elements. This affects the OWASP Java HTML Sanitizer.

Recommendations For versions prior to 20211018.1, update to version 20211018.1 or later to resolve the issue. As a temporary workaround, consider restricting the use of the SELECT, STYLE, and OPTION elements until a patch is applied.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-42575

GHSA-3W73-FMF3-HG5C

RHSA-2022:7409

RHSA-2022:7410

RHSA-2022:7411

Affected Products

Owasp Java Html Sanitizer

References · 7

• 🔥 https://docs.google.com/document/d/11SoX296sMS0XoQiQbpxc5pNxSdbJKDJkm5BDv0zrX50 · Exploit
• https://oracle.com/security-alerts/cpujan2022.html · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-42575 · Security Note
• https://oracle.com/security-alerts/cpujul2022.html · Patch
• https://osv.dev/vulnerability/GHSA-3w73-fmf3-hg5c · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-42575 · Vendor Advisory
• https://t.me/cibsecurity/30700 · Telegram Post