Description

Apache HTTP Server versions 2.4.6 to 2.4.46 mod_proxy_wstunnel configured on an URL that is not necessarily Upgraded by the origin server was tunneling the whole connection regardless, thus allowing for subsequent requests on the same connection to pass through with no HTTP validation, authentication or authorization possibly configured.

Remediation

References

CVE-2019-17567

Related Vulnerabilities

Nexus Repository Manager Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Vulnerability (CVE-2021-43961)

Moodle Permissions, Privileges, and Access Controls Vulnerability (CVE-2014-7832)

MyBB Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2017-16781)

PHP Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2016-4342)

PHP Permissions, Privileges, and Access Controls Vulnerability (CVE-2007-4850)

Severity

Medium

Classification

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Tags

Missing Update Known Vulnerabilities CWE-444 CVE-2019-17567