CVE-2022-31778 Transfer-Encoding not treated as hop-by-hop
An attacker can poison the cache by exploiting improper handling of the Transfer-Encoding header in Apache Traffic Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-31778?
CVE-2022-31778 is a high-severity vulnerability in Apache Traffic Server, published on 10 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Input Validation vulnerability in handling the Transfer-Encoding header of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 8.0.0 to 9.0.2.
Weakness: CWE-20
Which versions are affected by CVE-2022-31778?
It affects 2 products.
Products include Apache Traffic Server, Debian Debian Linux.
How do I fix CVE-2022-31778?
Upgrade to a fixed version.
Is CVE-2022-31778 being exploited?
There is no known exploitation of CVE-2022-31778 in the wild and no public exploit code.
Other vulnerabilities in Apache Traffic Server
Sources
Also known as DEBIAN-CVE-2022-31778, GHSA-w7rf-qxv9-mpv7, UBUNTU-CVE-2022-31778.