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.
Published: 2016-05-13
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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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.
History

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Subscriptions

Botan Project Botan
Debian Debian Linux
Fedoraproject Fedora
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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

Reserved: 2016-03-06T00:00:00.000Z

Link: CVE-2016-2849

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

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

Modified: 2026-05-06T22:30:45.220

Link: CVE-2016-2849

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses