Vulnerability identifier: #VU56474
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
Vendor: Apache Foundation
The vulnerability allows a remote attacker to preform HTTP/2 request smuggling attacks.
The vulnerability exists due to improper validation of HTTP/2 requests in mod_proxy in Apache HTTP Server. A remote attacker can send a specially crafted HTTP/2 request to the server and smuggle arbitrary HTTP headers.
Successful exploitation of vulnerability may allow an attacker to poison web server cache and perform phishing attacks.
Install update from vendor's website.
Vulnerable software versions
Apache HTTP Server: 2.4.17 - 2.4.48
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?