CVE-2021-45709

Description

An issue was discovered in the crypto2 crate through 2021-10-08 for Rust. During Chacha20 encryption and decryption, an unaligned read of a u32 may occur.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Third-Party Advisory githubusercontent.com Third-Party Advisory rustsec.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://rustsec.org/advisories/RUSTSEC-2021-0121.html third party advisory
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/crypto2/RUSTSEC-2021-0121.md third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-45709?
CVE-2021-45709 has been scored as a critical severity vulnerability.
How to fix CVE-2021-45709?
To fix CVE-2021-45709, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-45709 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-45709 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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