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Deserialization of Untrusted Data Affecting rubygem22-bigdecimal package, versions <0:1.2.6-1.10.amzn1

Severity

 Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
17.22% (97th percentile)

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  • Snyk IDSNYK-AMZN201803-RUBYGEM22BIGDECIMAL-1711509
  • published27 Sept 2021
  • disclosed11 Oct 2017
Report a new vulnerability Found a mistake?

Introduced: 11 Oct 2017

CVE-2017-0903  (opens in a new tab)
CWE-502  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 rubygem22-bigdecimal to version 0:1.2.6-1.10.amzn1 or higher.
This issue was patched in ALAS-2018-978.

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.

RubyGems versions between 2.0.0 and 2.6.13 are vulnerable to a possible remote code execution vulnerability. YAML deserialization of gem specifications can bypass class white lists. Specially crafted serialized objects can possibly be used to escalate to remote code execution.