CVE-2019-16140 Use-after-free in chttp
A use-after-free vulnerability in the chttp Rust library allows attackers to potentially execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-16140?
CVE-2019-16140 is a critical use after free vulnerability in n/a, published on 9 Sep 2019. 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 chttp crate before 0.1.3 for Rust. There is a use-after-free during buffer conversion.
Weakness: CWE-416
Which versions are affected by CVE-2019-16140?
3 open source packages ship an affected version, including chttp. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
chttp crates.io | From 0.1.1 | 0.1.3 |
chttp crates.io | From 0.1.1 | 0.1.3 |
chttp crates.io | From 0.1.1 | 0.1.3 |
Products include Isahc Project Isahc.
How do I fix CVE-2019-16140?
Upgrade chttp to 0.1.3 or later.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2019-16140 being exploited?
There is no known exploitation of CVE-2019-16140 in the wild and no public exploit code.
Sources
Also known as GHSA-5rrv-m36h-qwf8, RUSTSEC-2019-0016.