| Assigner | apache |
| Reserved | 2019-10-14 |
| Published | 2021-06-10 |
| Updated | 2024-06-10 |
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.
Problem types
mod_proxy_wstunnel tunneling of non Upgraded connections
Product status
2.4.43
2.4.41
2.4.39
2.4.38
2.4.37
2.4.35
2.4.34
2.4.33
2.4.29
2.4.28
2.4.27
2.4.26
2.4.25
2.4.23
2.4.20
2.4.18
2.4.17
2.4.16
2.4.12
2.4.10
2.4.9
2.4.7
2.4.6
Credits
Reported by Mikhail Egorov (<0ang3el gmail.com>)
References
http://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/r90f693a5c9fb75550ef1412436d5e682a5f845beb427fa6f23419a3c%40%3Cannounce.httpd.apache.org%3E ([httpd-announce] 20210609 CVE-2019-17567: mod_proxy_wstunnel tunneling of non Upgraded connections)
https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd%40%3Cdev.httpd.apache.org%3E ([httpd-dev] 20210610 Re: svn commit: r1890598 - in /httpd/site/trunk/content/security/json: CVE-2019-17567.json CVE-2020-13938.json CVE-2020-13950.json CVE-2020-35452.json CVE-2021-26690.json CVE-2021-26691.json CVE-2021-30641.json CVE-2021-31618.json)
http://www.openwall.com/lists/oss-security/2021/06/10/2 ([oss-security] 20210609 CVE-2019-17567: Apache httpd: mod_proxy_wstunnel tunneling of non Upgraded connections)
https://security.gentoo.org/glsa/202107-38 (GLSA-202107-38)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ (FEDORA-2021-dce7e7738e)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ (FEDORA-2021-e3f6dd670d)
https://www.oracle.com/security-alerts/cpuoct2021.html
https://security.netapp.com/advisory/ntap-20210702-0001/
https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html ([debian-lts-announce] 20240525 [SECURITY] [DLA 3818-1] apache2 security update)
