Lucene search

GitHub Advisory DatabaseGHSA-4X25-PVHW-5224

HistoryAug 25, 2021 - 8:44 p.m.

Algorithms compute incorrect results in blake2

2021-08-2520:44:20

CWE-327

GitHub Advisory Database

github.com

blake2

incorrect results

algorithm

issue

hmac

block sizes

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

60.7%

JSON

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.

Affected configurations

Vulners

Node

blake2blake2-rustRange<0.8.1

VendorProductVersionCPE
blake2blake2-rust*cpe:2.3:a:blake2:blake2-rust:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
blake2	blake2-rust	*	cpe:2.3:a:blake2:blake2-rust::::::::

References

github.com/advisories/GHSA-4x25-pvhw-5224

github.com/RustCrypto/MACs/issues/19

nvd.nist.gov/vuln/detail/CVE-2019-16143

rustsec.org/advisories/RUSTSEC-2019-0019.html

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

60.7%

JSON

Related for GHSA-4X25-PVHW-5224