CVE-2021-24115 Information

Description

In Botan before 2.17.3 constant-time computations are not used for certain decoding and encoding operations (base32 base58 base64 and hex).

CVSS Vector

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

Reference

https://botan.randombit.net/news.html https://github.com/randombit/botan/pull/2549 https://github.com/randombit/botan/compare/2.17.2…2.17.3

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8