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Rewterz Threat Advisory –CVE-2021-33580 – Apache Security Vulnerability

Severity

High

Analysis Summary

CVE-2021-33580

Apache Roller is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw by the request.getHeader, request.getRequestURL, and request.getQueryString functions. By sending a specially-crafted Referer header, a remote attacker could exploit this vulnerability to cause a denial of service condition.

Impact

  • Denial of Service

Affected Vendors

Apache

Affected Products

  • Apache Roller 6.0.1

Remediation

Upgrade to the latest version of Apache Roller available from the Apache Web site.

https://roller.apache.org/

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