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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-449-1 botan1.10 security update
Debian DSA Debian DSA DSA-3565-1 botan1.10 security update
EUVD EUVD EUVD-2016-3922 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T23:32:21.324Z

Reserved: 2016-03-06T00:00:00

Link: CVE-2016-2849

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2016-05-13T14:59:10.713

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-2849

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses