CVE-2019-16143

An issue was discovered in the blake2 crate before 0.8.1 for Rust. The BLAKE2b and BLAKE2s algorithms, when used with HMAC, produce incorrect results because the block sizes are half of the required sizes.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://rustsec.org/advisories/RUSTSEC-2019-0019.html	Third Party Advisory
https://rustsec.org/advisories/RUSTSEC-2019-0019.html	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:blake2:blake2-rust:*:*:*:*:*:*:*:*

History

21 Nov 2024, 04:30

Type	Values Removed	Values Added
References	~~() https://rustsec.org/advisories/RUSTSEC-2019-0019.html - Third Party Advisory~~	() https://rustsec.org/advisories/RUSTSEC-2019-0019.html - Third Party Advisory

Information

Published : 2019-09-09 12:15

Updated : 2024-11-21 04:30

NVD link : CVE-2019-16143

Mitre link : CVE-2019-16143

CVE.ORG link : CVE-2019-16143

JSON object : View

Products Affected

blake2

blake2-rust

CWE

CWE-327

Use of a Broken or Risky Cryptographic Algorithm

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9.8 /10