CVE-2021-24115: Critical severity Botan Project Botan vulnerability
Published Feb 22, 2021
·Updated
In Botan before 2.17.3, constant-time computations are not used for certain decoding and encoding operations (base32, base58, base64, and hex).
Affected Software
1 affected component
Botan Project Botan<2.17.3
Remediation
Patch Available
Patch Available
Event History
Feb 22, 2021
CVE Published
via MITRE·01:57 AM
Data Sourced
via MITRE·01:57 AM
Description
Frequently Asked Questions
1
What is CVE-2021-24115?
CVE-2021-24115 is a vulnerability in Botan before version 2.17.3 that allows certain decoding and encoding operations (base32, base58, base64, and hex) to be performed without constant-time computations.
2
What is the severity of CVE-2021-24115?
The severity of CVE-2021-24115 is critical with a CVSS score of 9.8.
3
What software is affected by CVE-2021-24115?
Botan versions up to (but not including) 2.17.3 are affected by CVE-2021-24115.
4
How can I fix CVE-2021-24115?
To fix CVE-2021-24115, upgrade to Botan version 2.17.3 or later.
5
Where can I find more information about CVE-2021-24115?
You can find more information about CVE-2021-24115 on the official Botan website and on the GitHub page for the project.