Vulnerability Details : 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.
Products affected by CVE-2019-16143
- cpe:2.3:a:blake2:blake2-rust:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-16143
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-16143
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2019-16143
-
The product uses a broken or risky cryptographic algorithm or protocol.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-16143
-
https://rustsec.org/advisories/RUSTSEC-2019-0019.html
RUSTSEC-2019-0019: blake2: HMAC-BLAKE2 algorithms compute incorrect results › RustSec Advisory DatabaseThird Party Advisory
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