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Amazon Linux AMI: CVE-2017-8932: Security patch for golang (ALAS-2017-857)

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Amazon Linux AMI: CVE-2017-8932: Security patch for golang (ALAS-2017-857)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
06/22/2017
Created
07/25/2018
Added
07/15/2017
Modified
10/14/2022

Description

A bug in the standard library ScalarMult implementation of curve P-256 for amd64 architectures in Go before 1.7.6 and 1.8.x before 1.8.2 causes incorrect results to be generated for specific input points. An adaptive attack can be mounted to progressively extract the scalar input to ScalarMult by submitting crafted points and observing failures to the derive correct output. This leads to a full key recovery attack against static ECDH, as used in popular JWT libraries.

Solution(s)

  • amazon-linux-upgrade-golang

References

  • ALAS-2017-857
  • CVE-2017-8932

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