Inconsistent interpretation of HTTP requests in Apache Traffic Server - CVE-2022-25763
Published: August 15, 2022
Vulnerability identifier: #VU66506
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-25763
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform HTTP/2 request smuggling attacks.
The vulnerability exists due to improper validation of HTTP/2 requests. 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 HTTP cache and perform phishing attacks.
Affected software
Apache Traffic Server
Debian Linux
Fedora
trafficserver (Debian package)
trafficserver
Debian Linux
Fedora
trafficserver (Debian package)
trafficserver
How to mitigate CVE-2022-25763
Install updates from vendor's website.
Apache Traffic Server - addressed in versions 8.1.5, 9.1.3
trafficserver (Debian package) - update to 8.1.5+ds-1~deb11u1
trafficserver - addressed in versions 9.1.3-1.el7, 9.1.3-1.el8, 9.1.3-1.el9, 9.1.3-1.fc35, 9.1.3-1.fc36
trafficserver (Debian package) - update to 8.1.5+ds-1~deb11u1
trafficserver - addressed in versions 9.1.3-1.el7, 9.1.3-1.el8, 9.1.3-1.el9, 9.1.3-1.fc35, 9.1.3-1.fc36