What type of vulnerability is Ghostcat?
Ghostcat is a serious vulnerability in Tomcat discovered by security researcher of Chaitin Tech. Due to a flaw in the Tomcat AJP protocol, an attacker can read or include any files in the webapp directories of Tomcat. For example, An attacker can read the webapp configuration files or source code.
Is AJP protocol secure?
EDIT: AJP is not designed to be secure, if you need security, use mod_proxy_http and proxy over https, or create SSH tunnel. Needless to say, you will have to pay for this overhead.
What is AJP used for?
Apache JServ Protocol (AJP) is used for communication between Tomcat and Apache web server. This protocol is binary and is enabled by default. Anytime the web server is started, AJP protocol is started on port 8009. It is primarily used as a reverse proxy to communicate with application servers.
What is AJP in Java?
The Apache JServ Protocol (AJP) is a binary protocol that can proxy inbound requests from a web server through to an application server that sits behind the web server.
What is Apache Ghostcat?
Apache Ghostcat is a new vulnerability with High-risk severity discovered by a security researcher of Chaitin Tech in Apache Jserv Protocol(AJP). By exploiting this vulnerability an attacker can read any web application files including source code.
Which of the following Apache Tomcat server versions are affected by the Ghostcat CVE 2020 1938 vulnerability?
The easiest way to fix this vulnerability is by updating your Apache Tomcat version to 9.0. 31 or 8.5. 51, or 7.0. 100.
How do I disable AJP protocol port?
To disable the AJP protocol in Apache Tomcat:
- Edit the file server.xml.
- Search for the section,
- Comment out the AJP protocol configuration, from:
- Save the server.xml file.
- Restart Apache Tomcat. Reference.
What is AJP in Apache Tomcat?
Apache JServ Protocol, or AJP, is an optimized binary version of HTTP that is typically used to allow Tomcat to communicate with an Apache web server. The mod_jk binaries and extensive documentation are available on the Tomcat Connector project website.
What is AJP packet?
An AJP flush message is a SEND_BODY_CHUNK packet with no body content. Proxy implementations like mod_jk or mod_proxy_ajp will flush the data buffered in the web server to the client when they receive such a packet.
How do I fix Apache Tomcat default files vulnerability in Windows?
Solution: Delete the default index page and remove the example JSP and servlets. Follow the Tomcat or OWASP instructions to replace or modify the default error page.
How does AJP protocol work?
AJP (Apache Jserv Protocol) is basically a binary protocol that allows to reverse proxying requests from a FE Web Server to a BE Application Server, effectively propagating all the needed information to make the Req-Res flow continuing successfully.
What is Apache JServ Protocol?
The Apache JServ Protocol ( AJP) is a binary protocol that can proxy inbound requests from a web server through to an application server that sits behind the web server. It also supports some monitoring in that the web server can ping the application server.
Can I trust incoming JServ connections to Apache Tomcat?
It is awaiting reanalysis which may result in further changes to the information provided. When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP connection.
What is AJP protocol in Apache?
Apache JServ Protocol. The Apache JServ Protocol (AJP) is a binary protocol that can proxy inbound requests from a web server through to an application server that sits behind the web server.
What is aptajp in Apache?
AJP is a wire protocol. It an optimized version of the HTTP protocol to allow a standalone web server such as Apache to talk to Tomcat. Historically, Apache has been much faster than Tomcat at serving static content. The idea is to let Apache serve the static content when possible, but proxy the request to Tomcat for Tomcat related content.