CVE-2021-45696 — CRITICAL (9.8)

Vulnerability Description

An issue was discovered in the sha2 crate 0.9.7 before 0.9.8 for Rust. Hashes of long messages may be incorrect when the AVX2-accelerated backend is used.

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
Sha2 Project	Sha2	0.9.7

Related Weaknesses (CWE)

CWE-327

References

https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/sha2/RUSTSEC-2Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2021-0100.htmlThird Party Advisory
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/sha2/RUSTSEC-2Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2021-0100.htmlThird Party Advisory

FAQ

What is CVE-2021-45696?

CVE-2021-45696 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in the sha2 crate 0.9.7 before 0.9.8 for Rust. Hashes of long messages may be incorrect when the AVX2-accelerated backend is used.

How severe is CVE-2021-45696?

CVE-2021-45696 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-2021-45696?

Check the references section above for vendor advisories and patch information. Affected products include: Sha2 Project Sha2.