CVE-2018-8779
Advisory lineage Upstream: 0 Downstream: 15
Modified
Published: 03 Apr 2018, 22:00
Last modified:05 Aug 2024, 07:02
Vulnerability Summary
Overall Risk (default)
medium
30/100 CVSS Score
7.5 HIGH
v3.0 (nvd)
EPSS Score
1.28% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
03 Apr 2018, 22:00
Published
Vulnerability first disclosed
05 Aug 2024, 07:02
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:P/A:N
EPSS Trends
Current EPSS score: 1.28%• Percentile: 80%
Techniques & Countermeasures
- CWE-20•Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04 | 17.10
- debian•debian_linux
7.0 | 8.0 | 9.0
- ruby-lang•ruby
≥ 2.2.0, < 2.2.10 | ≥ 2.3.0, < 2.3.7 | ≥ 2.4.0, < 2.4.4 | ≥ 2.5.0, < 2.5.1 | 2.6.0:preview1
References (17)
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/
- https://access.redhat.com/errata/RHSA-2018:3729
- https://usn.ubuntu.com/3626-1/
- http://www.securitytracker.com/id/1042004
- https://access.redhat.com/errata/RHSA-2018:3730
- https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
- https://access.redhat.com/errata/RHSA-2018:3731
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/
- http://www.securityfocus.com/bid/103767
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- 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-2-4-4-released/
- https://www.debian.org/security/2018/dsa-4259
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/
- https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- https://access.redhat.com/errata/RHSA-2019:2028