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Oracle Solaris 11: CVE-2017-9526: Vulnerability in Libgcrypt

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Oracle Solaris 11: CVE-2017-9526: Vulnerability in Libgcrypt

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
06/10/2017
Created
07/25/2018
Added
12/19/2017
Modified
02/01/2022

Description

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.

Solution(s)

  • oracle-solaris-11-3-upgrade-system-library-security-libgcrypt-1-7-9-0-175-3-27-0-4-0

References

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