Homepage

Deserialization of Untrusted Data Affecting ruby2.3 package, versions <2.3.3-1ubuntu1.3

Severity

 Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
15.85% (97th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UBUNTU1710-RUBY23-308580
  • published11 Oct 2017
  • 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 Ubuntu:17.10 ruby2.3 to version 2.3.3-1ubuntu1.3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby2.3 package and not the ruby2.3 package as distributed by Ubuntu. See How to fix? for Ubuntu:17.10 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.