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SUSE: CVE-2016-1000340: SUSE Linux Security Advisory

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SUSE: CVE-2016-1000340: SUSE Linux Security Advisory

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
06/04/2018
Created
07/25/2018
Added
06/16/2018
Modified
02/04/2022

Description

In the Bouncy Castle JCE Provider versions 1.51 to 1.55, a carry propagation bug was introduced in the implementation of squaring for several raw math classes have been fixed (org.bouncycastle.math.raw.Nat???). These classes are used by our custom elliptic curve implementations (org.bouncycastle.math.ec.custom.**), so there was the possibility of rare (in general usage) spurious calculations for elliptic curve scalar multiplications. Such errors would have been detected with high probability by the output validation for our scalar multipliers.

Solution(s)

  • suse-upgrade-bouncycastle
  • suse-upgrade-bouncycastle-pg

References

  • RHSA-2018:2669
  • RHSA-2018:2927
  • CVE-2016-1000340

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