CVE-2021-45709 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Crypto2 Project	Crypto2	All versions

Related Weaknesses (CWE)

CWE-119

References

https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/crypto2/RUSTSEThird Party Advisory
https://rustsec.org/advisories/RUSTSEC-2021-0121.htmlThird Party Advisory
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/crypto2/RUSTSEThird Party Advisory
https://rustsec.org/advisories/RUSTSEC-2021-0121.htmlThird Party Advisory

FAQ

What is CVE-2021-45709?

CVE-2021-45709 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

How severe is CVE-2021-45709?

CVE-2021-45709 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-45709?

Check the references section above for vendor advisories and patch information. Affected products include: Crypto2 Project Crypto2.