VulnerabilityModified
CVE-2018-16396
An issue was discovered in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3.
HIGH 8.1EPSS 7.97%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. It does not taint strings that result from unpacking tainted strings with some formats.
- CVSS 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 7.97% probability · 94th percentile
- CISA KEV
- Not listed
- Affected
- ruby-lang/ruby · canonical/ubuntu linux · debian/debian linux · redhat/enterprise linux
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- http://www.securitytracker.com/id/1042106Third 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://hackerone.com/reports/385070Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00020.htmlThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190221-0002/Third Party Advisory
- https://usn.ubuntu.com/3808-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4332Third Party Advisory
- https://www.ruby-lang.org/en/news/2018/10/17/not-propagated-taint-flag-in-some-formats-of-pack-cve-2018-16396/Vendor Advisory
- https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/Release Notes
- https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/Release Notes
- https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-5-2-released/Release Notes
- https://www.ruby-lang.org/en/news/2018/11/06/ruby-2-6-0-preview3-released/Release Notes
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- http://www.securitytracker.com/id/1042106Third 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://hackerone.com/reports/385070Permissions Required, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00020.htmlThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190221-0002/Third Party Advisory
- https://usn.ubuntu.com/3808-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4332Third Party Advisory
- https://www.ruby-lang.org/en/news/2018/10/17/not-propagated-taint-flag-in-some-formats-of-pack-cve-2018-16396/Vendor Advisory
- https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/Release Notes
- https://www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/Release Notes
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.