Inconsistent interpretation of HTTP requests in Apache Traffic Server - CVE-2022-31780

 

Inconsistent interpretation of HTTP requests in Apache Traffic Server - CVE-2022-31780

Published: August 15, 2022


Vulnerability identifier: #VU66508
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-2022-31780
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP/2 frames. 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

How to mitigate CVE-2022-31780

Install update 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

External References

Related Security Bulletins