Vulnerability Details CVE-2018-12439
MatrixSSL through 3.9.5 Open allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 18.3%
CVSS Severity
CVSS v3 Score 4.7
CVSS v2 Score 1.9
References
Products affected by CVE-2018-12439
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cpe:2.3:a:matrixssl:matrixssl:-
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cpe:2.3:a:matrixssl:matrixssl:3.8.2
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cpe:2.3:a:matrixssl:matrixssl:3.8.3
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cpe:2.3:a:matrixssl:matrixssl:3.8.4
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cpe:2.3:a:matrixssl:matrixssl:3.8.5
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cpe:2.3:a:matrixssl:matrixssl:3.8.6
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cpe:2.3:a:matrixssl:matrixssl:3.8.7
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cpe:2.3:a:matrixssl:matrixssl:3.8.7a
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cpe:2.3:a:matrixssl:matrixssl:3.8.7b
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cpe:2.3:a:matrixssl:matrixssl:3.9.0
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cpe:2.3:a:matrixssl:matrixssl:3.9.1
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cpe:2.3:a:matrixssl:matrixssl:3.9.3
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cpe:2.3:a:matrixssl:matrixssl:3.9.5