CVE-2017-17790
- Source
- https://cve.org/CVERecord?id=CVE-2017-17790
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17790.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2017-17790
- Downstream
- Related
- Published
- 2017-12-20T09:29:01.477Z
- Modified
- 2026-02-04T18:14:35.808105Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
The lazy_initialize function in lib/resolv.rb in Ruby through 2.4.3 uses Kernel#open, which might allow Command Injection attacks, as demonstrated by a Resolv::Hosts::new argument beginning with a '|' character, a different vulnerability than CVE-2017-17405. NOTE: situations with untrusted input may be highly unlikely.
- References
-
- https://lists.debian.org/debian-lts-announce/2017/12/msg00024.html
- https://lists.debian.org/debian-lts-announce/2017/12/msg00025.html
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://access.redhat.com/errata/RHSA-2018:0378
- https://access.redhat.com/errata/RHSA-2018:0583
- https://access.redhat.com/errata/RHSA-2018:0584
- https://access.redhat.com/errata/RHSA-2018:0585
- https://github.com/ruby/ruby/pull/1777
- https://www.debian.org/security/2018/dsa-4259
- https://github.com/ruby/ruby/pull/1777
- https://github.com/ruby/ruby/pull/1777