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Medium severity4.9NVD Advisory· Published Jun 15, 2018· Updated Jun 17, 2026

CVE-2018-12433

CVE-2018-12433

Description

cryptlib through 3.4.4 allows a memory-cache side-channel attack on DSA and ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover a key, the attacker needs access to either the local machine or a different virtual machine on the same physical host. NOTE: the vendor does not include side-channel attacks within its threat model

Affected products

3
  • Fdik/Cryptlibinferred
    Range: <=3.4.4
  • Cryptlib/cryptlib2 versions
    cpe:2.3:a:cryptlib:cryptlib:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:cryptlib:cryptlib:*:*:*:*:*:*:*:*range: <=3.4.4
    • (no CPE)range: <=3.4.4

Patches

Vulnerability mechanics

References

1

News mentions

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