Vulnerability Report

CVE-2018-8779

Title: Ruby-Lang Ruby Improper Input Validation

Improper Input Validation

Proof Of Concept

No public PoC currently indexed for CVE-2018-8779.

CWE Category CWE-20

Published Date Apr 03, 2018

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 7.5 CVSS v3.0

Exploit Probability (EPSS)

1.28%

Vulnerability Summary

CVE-2018-8779: 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 UNIXServer.open and UNIXSocket.open methods are not checked for null characters. It may be connected to an unintended socket.

Impacted Vendors

yukihiro_matsumoto 1

ruby-lang 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html http://www.securityfocus.com/bid/103767 http://www.securitytracker.com/id/1042004 https://access.redhat.com/errata/RHSA-2018:3729 https://access.redhat.com/errata/RHSA-2018:3730 https://access.redhat.com/errata/RHSA-2018:3731 https://access.redhat.com/errata/RHSA-2019:2028 https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html https://usn.ubuntu.com/3626-1/ https://www.debian.org/security/2018/dsa-4259 https://www.ruby-lang.org/en/news/2018/03/28/poisoned-nul-byte-unixsocket-cve-2018-8779/ https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/ https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/ https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/ https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/ http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html http://www.securityfocus.com/bid/103767 http://www.securitytracker.com/id/1042004 https://access.redhat.com/errata/RHSA-2018:3729 https://access.redhat.com/errata/RHSA-2018:3730 https://access.redhat.com/errata/RHSA-2018:3731 https://access.redhat.com/errata/RHSA-2019:2028 https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html https://usn.ubuntu.com/3626-1/ https://www.debian.org/security/2018/dsa-4259 https://www.ruby-lang.org/en/news/2018/03/28/poisoned-nul-byte-unixsocket-cve-2018-8779/ https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/ https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/ https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/ https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/

CVSS v3.0

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2018-8779 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

April 03, 2018 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Stack

No specific products linked.