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Ubuntu: USN-3365-1 (CVE-2016-2339): Ruby vulnerabilities

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Ubuntu: USN-3365-1 (CVE-2016-2339): Ruby vulnerabilities

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
01/06/2017
Created
07/25/2018
Added
07/26/2017
Modified
11/27/2024

Description

An exploitable heap overflow vulnerability exists in the Fiddle::Function.new "initialize" function functionality of Ruby. In Fiddle::Function.new "initialize" heap buffer "arg_types" allocation is made based on args array length. Specially constructed object passed as element of args array can increase this array size after mentioned allocation and cause heap overflow.

Solution(s)

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

References

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