9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
9.2 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
60.5%
In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, the Dir.open, Dir.new, Dir.entries and Dir.empty? methods do not check NULL characters. When using the corresponding method, unintentional directory traversal may be performed.
lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
www.securityfocus.com/bid/103739
www.securitytracker.com/id/1042004
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/errata/RHSA-2020:0542
access.redhat.com/errata/RHSA-2020:0591
access.redhat.com/errata/RHSA-2020:0663
lists.debian.org/debian-lts-announce/2018/04/msg00023.html
lists.debian.org/debian-lts-announce/2018/04/msg00024.html
lists.debian.org/debian-lts-announce/2018/07/msg00012.html
usn.ubuntu.com/3626-1/
www.debian.org/security/2018/dsa-4259
www.ruby-lang.org/en/news/2018/03/28/poisoned-nul-byte-dir-cve-2018-8780/
www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/
www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/
www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/
www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
9.2 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
60.5%