CVE-2019-17567: mod_proxy_wstunnel tunneling of non Upgraded connections
First published: Tue Jun 01 2021(Updated: )
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.
Credit: security@apache.org security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/httpd | <2.4.47 | 2.4.47 |
| Apache Http Server | >=2.4.6<=2.4.46 | |
| Fedora | =34 | |
| Fedora | =35 | |
| Oracle Enterprise Manager Ops Center | =12.4.0.0 | |
| oracle instantis enterprisetrack | =17.1 | |
| oracle instantis enterprisetrack | =17.2 | |
| oracle instantis enterprisetrack | =17.3 | |
| Oracle Sun ZFS Storage Appliance Kit | =8.8 |
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Reference Links
- http://httpd.apache.org/security/vulnerabilities_24.html
- http://www.openwall.com/lists/oss-security/2021/06/10/2
- https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd@%3Cdev.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r90f693a5c9fb75550ef1412436d5e682a5f845beb427fa6f23419a3c@%3Cannounce.httpd.apache.org%3E
- https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
- https://security.gentoo.org/glsa/202107-38
- https://security.netapp.com/advisory/ntap-20210702-0001/
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://access.redhat.com/support/policy/updates/jboss_notes
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1969236
- https://svn.apache.org/viewvc?view=revision&revision=1885605
- https://access.redhat.com/errata/RHSA-2021:4613
- https://access.redhat.com/errata/RHSA-2021:4614
- https://bugzilla.redhat.com/show_bug.cgi?id=1966740
- https://lists.apache.org/thread.html/r90f693a5c9fb75550ef1412436d5e682a5f845beb427fa6f23419a3c%40%3Cannounce.httpd.apache.org%3E
- https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd%40%3Cdev.httpd.apache.org%3E
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
- https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2019-17567.
What is the severity of CVE-2019-17567?
The severity of CVE-2019-17567 is medium.
Which versions of Apache HTTP Server are affected?
Versions 2.4.6 to 2.4.46 of Apache HTTP Server are affected.
How can I fix CVE-2019-17567?
To fix CVE-2019-17567, upgrade to version 2.4.47 of Apache HTTP Server.
Where can I find more information about CVE-2019-17567?
You can find more information about CVE-2019-17567 at the following references: [1] [2] [3].
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