CVEvulnerability

CVE-2016-2849

7.5 HIGH Published 2016-05-13 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-05-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-200

Description

Botan before 1.10.13 and 1.11.x before 1.11.29 do not use a constant-time algorithm to perform a modular inverse on the signature nonce k, which might allow remote attackers to obtain ECDSA secret keys via a timing side-channel attack.

Affected configurations

• debian debian linux 8.0 • fedoraproject fedora 24 • botan project botan 1.10.12 • botan project botan 1.11.0 • botan project botan 1.11.1 • botan project botan 1.11.2 • botan project botan 1.11.3 • botan project botan 1.11.4 • botan project botan 1.11.5 • botan project botan 1.11.6 • botan project botan 1.11.7 • botan project botan 1.11.8 • botan project botan 1.11.9 • botan project botan 1.11.10 • botan project botan 1.11.11 • botan project botan 1.11.12 • botan project botan 1.11.13 • botan project botan 1.11.14 • botan project botan 1.11.15 • botan project botan 1.11.16 • botan project botan 1.11.17 • botan project botan 1.11.18 • botan project botan 1.11.19 • botan project botan 1.11.20 • botan project botan 1.11.21 • botan project botan 1.11.22 • botan project botan 1.11.23 • botan project botan 1.11.24 • botan project botan 1.11.25 • botan project botan 1.11.26 • botan project botan 1.11.27 • botan project botan 1.11.28

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References