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.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade botan1.10 | May 2, 2016 | May 2, 2016 |
| Freebsd | — | Upgrade botan110 | Dec 10, 2025 | Jun 14, 2016 |
| Gentoo Linux | — | Upgrade dev-libs/botan. | Oct 30, 2017 | May 13, 2016 |
| Suse | — | Upgrade libbotan-develUpgrade libbotan-1_10-0 | Apr 19, 2017 | May 13, 2016 |
| Ubuntu | — | Upgrade botan1.10 | Nov 19, 2024 | May 13, 2016 |
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