8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
Ruby is vulnerable to privilege escalation attacks. A remote user could supply a specially crafted Array#pack and String#unpack array to cause the target system to fail to properly check security controls. The B, b, H, and h directives are not properly propagated.
lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
www.securitytracker.com/id/1042106
access.redhat.com/errata/RHSA-2018:3729
access.redhat.com/errata/RHSA-2018:3730
access.redhat.com/errata/RHSA-2018:3731
access.redhat.com/errata/RHSA-2019:2028
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1650591
hackerone.com/reports/385070
lists.debian.org/debian-lts-announce/2018/10/msg00020.html
security.netapp.com/advisory/ntap-20190221-0002/
usn.ubuntu.com/3808-1/
www.debian.org/security/2018/dsa-4332
www.ruby-lang.org/en/news/2018/10/17/not-propagated-taint-flag-in-some-formats-of-pack-cve-2018-16396/
www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/
www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/
www.ruby-lang.org/en/news/2018/10/17/ruby-2-5-2-released/
www.ruby-lang.org/en/news/2018/11/06/ruby-2-6-0-preview3-released/
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P