CVE-2021-45695 Incorrect reliance on Trait memory layout in mopa
The mopa crate incorrectly relies on trait memory layout, potentially allowing arbitrary code execution or ASLR bypass in Rust applications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-45695?
CVE-2021-45695 is a critical memory corruption 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 mopa crate through 2021-06-01 for Rust. It incorrectly relies on Trait memory layout, possibly leading to future occurrences of arbitrary code execution or ASLR bypass.
Which versions are affected by CVE-2021-45695?
5 open source packages ship an affected version, including mopa. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mopa crates.io | All versions to 0.2.2 | None |
mopa crates.io | All versions to 0.2.2 | None |
mopa crates.io | All versions to 0.2.2 | None |
mopa crates.io | All versions to 0.2.2 | None |
mopa crates.io | From 0.0.0-0 | None |
Products include Mopa Project Mopa.
How do I fix CVE-2021-45695?
No fix has been published for CVE-2021-45695 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-45695 being exploited?
There is no known exploitation of CVE-2021-45695 in the wild and no public exploit code.
Sources
Also known as GHSA-2gxj-qrp2-53jv, GHSA-8mv5-7x95-7wcf, RUSTSEC-2021-0095.