Description
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.
References (16)
Core 16
Core References
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/385070
Release Notes x_refsource_confirm
https://www.ruby-lang.org/en/news/2018/11/06/ruby-2-6-0-preview3-released/
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3729
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3730
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3731
Release Notes x_refsource_confirm
https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4332
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3808-1/
Release Notes x_refsource_confirm
https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190221-0002/
Vendor Advisory x_refsource_confirm
https://www.ruby-lang.org/en/news/2018/10/17/not-propagated-taint-flag-in-some-formats-of-pack-cve-2018-16396/
Release Notes x_refsource_confirm
https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-5-2-released/
Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/10/msg00020.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1042106
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2028
Scores
CVSS v3
8.1
EPSS
0.0329
EPSS Percentile
87.4%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (13)
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
18.10
debian/debian_linux
8.0
debian/debian_linux
9.0
redhat/enterprise_linux
6.0
redhat/enterprise_linux
7.0
redhat/enterprise_linux
7.4
redhat/enterprise_linux
7.5
... and 3 more
Published
Nov 16, 2018
Tracked Since
Feb 18, 2026