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CVE-2021-3505 Details

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NameCVE-2021-3505
StatusCandidate
DescriptionA flaw was found in libtpms in versions before 0.8.0. The TPM 2 implementation returns 2048 bit keys with ~1984 bit strength due to a bug in the TCG specification. The bug is in the key creation algorithm in RsaAdjustPrimeCandidate(), which is called before the prime number check. The highest threat from this vulnerability is to data confidentiality.
ReferencesFEDORA:FEDORA-2021-cfdc434610
URL: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NUCZX4S53TUNTSGTCRDNOQZV2V2RI4RJ/
MISC: https://bugzilla.redhat.com/show_bug.cgi?id=1950046
URL: https://bugzilla.redhat.com/show_bug.cgi?id=1950046
MISC: https://github.com/stefanberger/libtpms/issues/183
URL: https://github.com/stefanberger/libtpms/issues/183
PhaseAssigned (20210416)
VotesNone (candidate not yet proposed)
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