CVE-2018-8779
High
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.
Exploit probability
7.0%
Published
April 3, 2018
Required by
Not available
Last source change
July 8, 2026
02 / AFFECTED SOFTWARE
Affected packages
2 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2018-8779
View original source
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.
05 / REFERENCES
Further evidence
- 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/