Vulnerability Details CVE-2017-9526
In Libgcrypt before 1.7.7, an attacker who learns the EdDSA session key (from side-channel observation during the signing process) can easily recover the long-term secret key. 1.7.7 makes a cipher/ecc-eddsa.c change to store this session key in secure memory, to ensure that constant-time point operations are used in the MPI library.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 58.9%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 4.3
Products affected by CVE-2017-9526
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cpe:2.3:a:gnupg:libgcrypt:-
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cpe:2.3:a:gnupg:libgcrypt:0.1.0
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cpe:2.3:a:gnupg:libgcrypt:0.2.0
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cpe:2.3:a:gnupg:libgcrypt:0.2.10
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cpe:2.3:a:gnupg:libgcrypt:0.2.15
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cpe:2.3:a:gnupg:libgcrypt:0.2.17
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cpe:2.3:a:gnupg:libgcrypt:0.2.18
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cpe:2.3:a:gnupg:libgcrypt:0.2.19
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cpe:2.3:a:gnupg:libgcrypt:0.2.6
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cpe:2.3:a:gnupg:libgcrypt:0.2.8
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cpe:2.3:a:gnupg:libgcrypt:0.3.0
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cpe:2.3:a:gnupg:libgcrypt:0.3.1
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cpe:2.3:a:gnupg:libgcrypt:0.3.2
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cpe:2.3:a:gnupg:libgcrypt:0.3.3
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cpe:2.3:a:gnupg:libgcrypt:0.3.4
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cpe:2.3:a:gnupg:libgcrypt:0.3.5
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cpe:2.3:a:gnupg:libgcrypt:0.4.0
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cpe:2.3:a:gnupg:libgcrypt:0.4.1
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cpe:2.3:a:gnupg:libgcrypt:0.4.2
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cpe:2.3:a:gnupg:libgcrypt:0.4.3
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cpe:2.3:a:gnupg:libgcrypt:0.4.4
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cpe:2.3:a:gnupg:libgcrypt:0.4.5
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cpe:2.3:a:gnupg:libgcrypt:0.9.0
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cpe:2.3:a:gnupg:libgcrypt:0.9.1
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cpe:2.3:a:gnupg:libgcrypt:0.9.10
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cpe:2.3:a:gnupg:libgcrypt:0.9.11
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cpe:2.3:a:gnupg:libgcrypt:0.9.2
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cpe:2.3:a:gnupg:libgcrypt:0.9.3
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cpe:2.3:a:gnupg:libgcrypt:0.9.4
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cpe:2.3:a:gnupg:libgcrypt:0.9.5
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cpe:2.3:a:gnupg:libgcrypt:0.9.6
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cpe:2.3:a:gnupg:libgcrypt:0.9.7
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cpe:2.3:a:gnupg:libgcrypt:0.9.8
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cpe:2.3:a:gnupg:libgcrypt:0.9.9
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cpe:2.3:a:gnupg:libgcrypt:1.0.0
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cpe:2.3:a:gnupg:libgcrypt:1.0.1
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cpe:2.3:a:gnupg:libgcrypt:1.0.2
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cpe:2.3:a:gnupg:libgcrypt:1.0.3
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cpe:2.3:a:gnupg:libgcrypt:1.0.4
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cpe:2.3:a:gnupg:libgcrypt:1.1.0
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cpe:2.3:a:gnupg:libgcrypt:1.1.10
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cpe:2.3:a:gnupg:libgcrypt:1.1.11
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cpe:2.3:a:gnupg:libgcrypt:1.1.12
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cpe:2.3:a:gnupg:libgcrypt:1.1.2
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cpe:2.3:a:gnupg:libgcrypt:1.1.3
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cpe:2.3:a:gnupg:libgcrypt:1.1.4
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cpe:2.3:a:gnupg:libgcrypt:1.1.42
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cpe:2.3:a:gnupg:libgcrypt:1.1.43
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cpe:2.3:a:gnupg:libgcrypt:1.1.44
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cpe:2.3:a:gnupg:libgcrypt:1.1.5
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cpe:2.3:a:gnupg:libgcrypt:1.1.6
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cpe:2.3:a:gnupg:libgcrypt:1.1.7
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cpe:2.3:a:gnupg:libgcrypt:1.1.8
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cpe:2.3:a:gnupg:libgcrypt:1.1.9
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cpe:2.3:a:gnupg:libgcrypt:1.1.90
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cpe:2.3:a:gnupg:libgcrypt:1.1.91
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cpe:2.3:a:gnupg:libgcrypt:1.1.92
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cpe:2.3:a:gnupg:libgcrypt:1.1.93
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cpe:2.3:a:gnupg:libgcrypt:1.1.94
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cpe:2.3:a:gnupg:libgcrypt:1.2.0
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cpe:2.3:a:gnupg:libgcrypt:1.2.1
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cpe:2.3:a:gnupg:libgcrypt:1.2.2
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cpe:2.3:a:gnupg:libgcrypt:1.2.3
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cpe:2.3:a:gnupg:libgcrypt:1.2.4
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cpe:2.3:a:gnupg:libgcrypt:1.3.0
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cpe:2.3:a:gnupg:libgcrypt:1.3.1
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cpe:2.3:a:gnupg:libgcrypt:1.3.2
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cpe:2.3:a:gnupg:libgcrypt:1.4.0
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cpe:2.3:a:gnupg:libgcrypt:1.4.1
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cpe:2.3:a:gnupg:libgcrypt:1.4.2
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cpe:2.3:a:gnupg:libgcrypt:1.4.3
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cpe:2.3:a:gnupg:libgcrypt:1.4.4
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cpe:2.3:a:gnupg:libgcrypt:1.4.5
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cpe:2.3:a:gnupg:libgcrypt:1.4.6
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cpe:2.3:a:gnupg:libgcrypt:1.5.0
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cpe:2.3:a:gnupg:libgcrypt:1.5.1
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cpe:2.3:a:gnupg:libgcrypt:1.5.2
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cpe:2.3:a:gnupg:libgcrypt:1.5.3
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cpe:2.3:a:gnupg:libgcrypt:1.5.4
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cpe:2.3:a:gnupg:libgcrypt:1.5.5
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cpe:2.3:a:gnupg:libgcrypt:1.5.6
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cpe:2.3:a:gnupg:libgcrypt:1.6.0
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cpe:2.3:a:gnupg:libgcrypt:1.6.1
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cpe:2.3:a:gnupg:libgcrypt:1.6.2
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cpe:2.3:a:gnupg:libgcrypt:1.6.3
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cpe:2.3:a:gnupg:libgcrypt:1.6.4
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cpe:2.3:a:gnupg:libgcrypt:1.6.5
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cpe:2.3:a:gnupg:libgcrypt:1.6.6
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cpe:2.3:a:gnupg:libgcrypt:1.7.0
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cpe:2.3:a:gnupg:libgcrypt:1.7.1
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cpe:2.3:a:gnupg:libgcrypt:1.7.2
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cpe:2.3:a:gnupg:libgcrypt:1.7.3
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cpe:2.3:a:gnupg:libgcrypt:1.7.4
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cpe:2.3:a:gnupg:libgcrypt:1.7.5
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cpe:2.3:a:gnupg:libgcrypt:1.7.6