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Out-of-Bounds Affecting rubygem22-bigdecimal package, versions <0:1.2.6-1.9.amzn1

Severity

 Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
2.02% (89th percentile)

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  • Snyk IDSNYK-AMZN201803-RUBYGEM22BIGDECIMAL-1708244
  • published27 Sept 2021
  • disclosed31 Aug 2017
Report a new vulnerability Found a mistake?

Introduced: 31 Aug 2017

CVE-2017-14064  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 rubygem22-bigdecimal to version 0:1.2.6-1.9.amzn1 or higher.
This issue was patched in ALAS-2017-906.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem22-bigdecimal package and not the rubygem22-bigdecimal package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1 can expose arbitrary memory during a JSON.generate call. The issues lies in using strdup in ext/json/ext/generator/generator.c, which will stop after encountering a '\0' byte, returning a pointer to a string of length zero, which is not the length stored in space_len.

References