CVE-2016-2849

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

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

Risk Information

CVSS v2

CVSS v3