Lack of Constant-Time Computations in Botan Decoding and Encoding Operations

Lack of Constant-Time Computations in Botan Decoding and Encoding Operations

CVE-2021-24115 · CRITICAL Severity

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

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

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