Vulnerability Details CVE-2016-2849
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.1%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2016-2849
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cpe:2.3:a:botan_project:botan:1.10.12
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cpe:2.3:a:botan_project:botan:1.11.0
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cpe:2.3:a:botan_project:botan:1.11.1
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cpe:2.3:a:botan_project:botan:1.11.10
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cpe:2.3:a:botan_project:botan:1.11.11
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cpe:2.3:a:botan_project:botan:1.11.12
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cpe:2.3:a:botan_project:botan:1.11.13
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cpe:2.3:a:botan_project:botan:1.11.14
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cpe:2.3:a:botan_project:botan:1.11.15
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cpe:2.3:a:botan_project:botan:1.11.16
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cpe:2.3:a:botan_project:botan:1.11.17
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cpe:2.3:a:botan_project:botan:1.11.18
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cpe:2.3:a:botan_project:botan:1.11.19
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cpe:2.3:a:botan_project:botan:1.11.2
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cpe:2.3:a:botan_project:botan:1.11.20
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cpe:2.3:a:botan_project:botan:1.11.21
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cpe:2.3:a:botan_project:botan:1.11.22
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cpe:2.3:a:botan_project:botan:1.11.23
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cpe:2.3:a:botan_project:botan:1.11.24
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cpe:2.3:a:botan_project:botan:1.11.25
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cpe:2.3:a:botan_project:botan:1.11.26
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cpe:2.3:a:botan_project:botan:1.11.27
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cpe:2.3:a:botan_project:botan:1.11.28
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cpe:2.3:a:botan_project:botan:1.11.3
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cpe:2.3:a:botan_project:botan:1.11.4
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cpe:2.3:a:botan_project:botan:1.11.5
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cpe:2.3:a:botan_project:botan:1.11.6
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cpe:2.3:a:botan_project:botan:1.11.7
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cpe:2.3:a:botan_project:botan:1.11.8
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cpe:2.3:a:botan_project:botan:1.11.9
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:fedoraproject:fedora:24