CVE-2021-37588 Information

Description

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

CVSS Vector

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

Reference

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

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.9