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Ubuntu: (Multiple Advisories) (CVE-2017-0903): Ruby regression

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Ubuntu: (Multiple Advisories) (CVE-2017-0903): Ruby regression

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
10/09/2017
Created
07/25/2018
Added
02/01/2018
Modified
03/26/2021

Description

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.

Solution(s)

  • ubuntu-upgrade-libruby1-9-1
  • ubuntu-upgrade-libruby2-0
  • ubuntu-upgrade-libruby2-3
  • ubuntu-upgrade-ruby1-9-1
  • ubuntu-upgrade-ruby1-9-3
  • ubuntu-upgrade-ruby2-0
  • ubuntu-upgrade-ruby2-3

References

  • USN-3553-1
  • USN-3685-1
  • USN-3685-2
  • DSA-4031
  • CVE-2017-0903

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