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Amazon Linux AMI: CVE-2019-8324: Security patch for ruby20,ruby21,ruby24 (ALAS-2019-1255)

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Amazon Linux AMI: CVE-2019-8324: Security patch for ruby20,ruby21,ruby24 (ALAS-2019-1255)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
03/05/2019
Created
08/15/2019
Added
08/13/2019
Modified
08/13/2019

Description

An issue was discovered in RubyGems 2.6 and later through 3.0.2. A crafted gem with a multi-line name is not handled correctly. Therefore, an attacker could inject arbitrary code to the stub line of gemspec, which is eval-ed by code in ensure_loadable_spec during the preinstall check.

Solution(s)

  • amazon-linux-upgrade-ruby20
  • amazon-linux-upgrade-ruby21
  • amazon-linux-upgrade-ruby24

References

  • amazon-linux-upgrade-ruby20
  • amazon-linux-upgrade-ruby21
  • amazon-linux-upgrade-ruby24

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