CVE-2021-45702 Use After Free in tremor-script
A use-after-free vulnerability in the tremor-script Rust library allows attackers to potentially execute arbitrary code or cause a denial of service via a merge operation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-45702?
CVE-2021-45702 is a high-severity use after free vulnerability in n/a, published on 26 Dec 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 tremor-script crate before 0.11.6 for Rust. A merge operation may result in a use-after-free.
Weakness: CWE-416
Which versions are affected by CVE-2021-45702?
2 open source packages ship an affected version, including tremor-script. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
tremor-script crates.io | From 0.7.2 | 0.11.6 |
tremor-script crates.io | From 0.7.2 | 0.11.6 |
Products include Linuxfoundation Tremor-Script.
How do I fix CVE-2021-45702?
Upgrade tremor-script to 0.11.6 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-2021-45702 being exploited?
There is no known exploitation of CVE-2021-45702 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-9qvw-46gf-4fv8.