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Incorrect Calculation Affecting golang-tests package, versions <0:1.7.5-2.39.amzn1

Severity

 Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.45% (76th percentile)

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  • Snyk IDSNYK-AMZN201803-GOLANGTESTS-1706503
  • published27 Sept 2021
  • disclosed6 Jul 2017
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Introduced: 6 Jul 2017

CVE-2017-8932  (opens in a new tab)
CWE-682  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 golang-tests to version 0:1.7.5-2.39.amzn1 or higher.
This issue was patched in ALAS-2017-857.

NVD Description

Note: Versions mentioned in the description apply only to the upstream golang-tests package and not the golang-tests package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

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.