CVE-2017-10784
HIGH8.8EPSS 2.1%WEBrick RCE Vulnerability
Published: 5/14/2022Modified: 12/3/2025
Description
The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name.
Affected packages (2)
- Alpine/rubyfrom 0, < 2.4.2-r0
- RubyGems/webrickfrom 0, < 1.4.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
References (22)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2017-10784
- ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2017-10784
- PATCHhttps://github.com/ruby/webrick
- WEBhttps://access.redhat.com/errata/RHSA-2017:3485
- WEBhttps://access.redhat.com/errata/RHSA-2018:0378
- WEBhttps://access.redhat.com/errata/RHSA-2018:0583
- WEBhttps://access.redhat.com/errata/RHSA-2018:0585
- WEBhttps://github.com/ruby/ruby/commit/6617c41292
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/webrick/CVE-2017-10784.yml
- WEBhttps://github.com/ruby/webrick/commit/4ac0f3843ab82d1c31e1cfc719409208adef7813
- WEBhttps://hackerone.com/reports/223363
- WEBhttps://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- WEBhttps://security.gentoo.org/glsa/201710-18
- WEBhttps://usn.ubuntu.com/3528-1
- WEBhttps://usn.ubuntu.com/3685-1
- WEBhttps://web.archive.org/web/20210621131814/http://www.securityfocus.com/bid/100853
- WEBhttps://web.archive.org/web/20210919031115/http://www.securitytracker.com/id/1042004
- WEBhttps://web.archive.org/web/20211025092552/http://www.securitytracker.com/id/1039363
- WEBhttps://www.debian.org/security/2017/dsa-4031
- WEBhttps://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released
- WEBhttps://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released
- WEBhttps://www.ruby-lang.org/en/news/2017/09/14/webrick-basic-auth-escape-sequence-injection-cve-2017-10784