PT-2021-21724 · Charm · Charm

Adelapie · Published 2021-07-27 · Updated 2023-08-08 · CVE-2021-37588

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Charm version 0.43

Description The issue allows any two users to collude and gain the ability to decrypt YCT14 data.

Recommendations For Charm version 0.43, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

Related Identifiers

CVE-2021-37588

Affected Products

Charm

References · 7

• https://osv.dev/vulnerability/CVE-2021-37588 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-37588 · Security Note
• https://github.com/JHUISI/charm/issues/276 · Note
• https://github.com/JHUISI/charm/blob/dev/charm/schemes/abenc/abenc_yct14.py · Note
• https://t.me/cibsecurity/26628 · Telegram Post
• https://eprint.iacr.org/2020/460 · Note
• https://www2.hci.uni-hannover.de/papers/Tan2019.pdf · Note