CVE-2021-38512 HTTP Request Smuggling in actix-http
Attackers can exploit HTTP request smuggling in the actix-http crate to potentially disclose credentials or bypass security controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-38512?
CVE-2021-38512 is a high-severity vulnerability in Fedoraproject Fedora, published on 10 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in the actix-http crate before 3.0.0-beta.9 for Rust. HTTP/1 request smuggling (aka HRS) can occur, potentially leading to credential disclosure.
Weakness: CWE-444
Which versions are affected by CVE-2021-38512?
3 open source packages ship an affected version, including actix-http. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
actix-http crates.io | All versions | 2.2.1 |
actix-http crates.io | All versions | 2.2.1 |
actix-http crates.io | From 0.0.0-0 | 2.2.1, 3.0.0-beta.9 |
Products include Actix Actix-Http, Fedoraproject Fedora.
How do I fix CVE-2021-38512?
Upgrade actix-http to a fixed version for your release line: 2.2.1 or 3.0.0-beta.9.
Is CVE-2021-38512 being exploited?
There is no known exploitation of CVE-2021-38512 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as GHSA-8928-2fgm-6x9x, RUSTSEC-2021-0081.