CVE-2019-19766 : The Bitwarden server through 1.32.0 has a potentially unwanted KDF.

The Bitwarden server through 1.32.0 has a potentially unwanted KDF.

Published 2019-12-12 19:15:21

Updated 2021-07-21 11:39:24

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2019-19766

Bitwarden » Server
Versions up to, including, (<=) 1.32.0
cpe:2.3:a:bitwarden:server:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.15%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 50 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE-916 Use of Password Hash With Insufficient Computational Effort

The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive.

Assigned by: nvd@nist.gov (Primary)

https://github.com/bitwarden/jslib/issues/52

SHA256 is a terrible choice for a PBKDF in 2019. · Issue #52 · bitwarden/jslib · GitHub
Third Party Advisory
https://github.com/bitwarden/server/issues/589

Security Issue: KDF max iterations is too low · Issue #589 · bitwarden/server · GitHub
Third Party Advisory

Jump to