VulnerabilityModified
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.
HIGH 7.5EPSS 6.90%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 6.90% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- ruby-lang/ruby · canonical/ubuntu linux · debian/debian linux
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- http://www.securityfocus.com/bid/103767Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1042004Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3729Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3730Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3731Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2028
- https://lists.debian.org/debian-lts-announce/2018/04/msg00023.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/04/msg00024.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3626-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4259Third Party Advisory
- https://www.ruby-lang.org/en/news/2018/03/28/poisoned-nul-byte-unixsocket-cve-2018-8779/Vendor Advisory
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/Patch, Vendor Advisory
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/Patch, Vendor Advisory
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/Patch, Vendor Advisory
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- http://www.securityfocus.com/bid/103767Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1042004Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3729Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3730Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3731Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2028
- https://lists.debian.org/debian-lts-announce/2018/04/msg00023.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/04/msg00024.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3626-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4259Third Party Advisory
- https://www.ruby-lang.org/en/news/2018/03/28/poisoned-nul-byte-unixsocket-cve-2018-8779/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.