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  1. CVEs
  2. CVE-2016-2849
  1. CVEs

CVE-2016-2849

high
  • Information
  • CPEs
  • Plugins

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.

References

https://security.gentoo.org/glsa/201701-23

https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-3922

http://www.debian.org/security/2016/dsa-3565

http://marc.info/?l=botan-devel&m=146185420505943&w=2

http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183669.html

http://botan.randombit.net/security.html

Details

Source: Mitre, NVD

Published: 2016-05-13

Updated: 2026-05-06

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.00586

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