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CVE-2018-16396

Published: 26 October 2018

An issue was discovered in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. It does not taint strings that result from unpacking tainted strings with some formats.

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package Release Status
ruby1.9.1
Launchpad, Ubuntu, Debian
upstream Needs triage

xenial Does not exist

bionic Does not exist

cosmic Does not exist

trusty
Released (1.9.3.484-2ubuntu1.13)
ruby2.0
Launchpad, Ubuntu, Debian
upstream Needs triage

xenial Does not exist

bionic Does not exist

cosmic Does not exist

trusty
Released (2.0.0.484-1ubuntu2.11)
Patches:
upstream: https://github.com/ruby/ruby/commit/a2958f6743664006d21fc0bafd4ca6214df1d429
ruby2.3
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Does not exist

xenial
Released (2.3.1-2~16.04.11)
bionic Does not exist

cosmic Does not exist

ruby2.5
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Does not exist

xenial Does not exist

bionic
Released (2.5.1-1ubuntu1.1)
cosmic
Released (2.5.1-5ubuntu4.1)

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H