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CVE-2016-2849

CVE-2016-2849

EPSS 2.5%
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 products
n/a · n/a

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References
http://botan.randombit.net/security.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2016-May/183669.htmlhttp://marc.info/?l=botan-devel&m=146185420505943&w=2https://security.gentoo.org/glsa/201701-23http://www.debian.org/security/2016/dsa-3565