CVE-2021-37587

Description

In Charm 0.43, any single user can decrypt DAC-MACS or MA-ABE-YJ14 data.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Third-Party Advisory iacr.org Third-Party Advisory github.com Third-Party Advisory github.io Third-Party Advisory github.io Third-Party Advisory uni-hannover.de
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/JHUISI/charm/issues/276 issue tracking third party advisory
https://jhuisi.github.io/charm/charm/schemes/abenc/abenc_dacmacs_yj14.html third party advisory
https://jhuisi.github.io/charm/_modules/abenc_maabe_yj14.html third party advisory patch
https://eprint.iacr.org/2020/460 third party advisory
https://www2.hci.uni-hannover.de/papers/Tan2019.pdf third party advisory technical description

Frequently Asked Questions

What is the severity of CVE-2021-37587?
CVE-2021-37587 has been scored as a medium severity vulnerability.
How to fix CVE-2021-37587?
To fix CVE-2021-37587, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-37587 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-37587 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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