CVE-2021-37588

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

In Charm 0.43, any two users can collude to achieve the ability to decrypt YCT14 data.

References

https://www2.hci.uni-hannover.de/papers/Tan2019.pdf

https://github.com/JHUISI/charm/issues/276

https://github.com/JHUISI/charm/blob/dev/charm/schemes/abenc/abenc_yct14.py

https://eprint.iacr.org/2020/460

Details

Source: MITRE

Published: 2021-07-30

Updated: 2021-08-09

Type: CWE-326

Risk Information

CVSS v2

Base Score: 4.3

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

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.9

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

Impact Score: 3.6

Exploitability Score: 2.2

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:jhu:charm:0.43:*:*:*:*:*:*:*