CVE-2022-31779 Improper HTTP/2 scheme and method validation

What is CVE-2022-31779?

CVE-2022-31779 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 HTTP/2 header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 9.1.2.

Weakness: CWE-20

Which versions are affected by CVE-2022-31779?

It affects 3 products.

Products include Apache Traffic Server, Debian Debian Linux, Fedoraproject Fedora.

How do I fix CVE-2022-31779?

Upgrade to a fixed version.

Is CVE-2022-31779 being exploited?

There is no known exploitation of CVE-2022-31779 in the wild and no public exploit code.

Other vulnerabilities in Apache Traffic Server

• CVE-2014-3525 Other in n/a Critical 10.0
• CVE-2021-43082 heap-buffer-overflow with stats-over-http plugin Critical 9.8
• CVE-2021-35474 Dynamic stack buffer overflow in cachekey plugin Critical 9.8
• CVE-2019-17559 Other in Apache Traffic Server Critical 9.8
• CVE-2019-17565 Other in Apache Traffic Server Critical 9.8

All Apache Traffic Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2022-31779, GHSA-449r-qg4g-v772, OESA-2022-1855, OESA-2022-1856, UBUNTU-CVE-2022-31779.