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SUSE: CVE-2017-9526: SUSE Linux Security Advisory

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SUSE: CVE-2017-9526: SUSE Linux Security Advisory

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
06/10/2017
Created
07/25/2018
Added
06/19/2017
Modified
06/20/2021

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)

  • suse-upgrade-libgcrypt-devel
  • suse-upgrade-libgcrypt20
  • suse-upgrade-libgcrypt20-32bit
  • suse-upgrade-libgcrypt20-hmac
  • suse-upgrade-libgcrypt20-hmac-32bit

References

  • SUSE-SU-2017:1608-1
  • DSA-3880
  • 99046
  • CVE-2017-9526
  • USN-3347-1

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