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TI-2017-07892 Aliases CVE-2017-10784GHSA-369m-2gv6-mw28

The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before…

Priority MEDIUM 55CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 18 fixed, 4 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-287.

Summary

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.

Why it matters now

EPSS 0.16412 96th percentileScored 2026-11-07
Fix Partial webrick (RubyGems): 1.4.0Red Hat: 7 advisoriesRed Hat: 18 fixed, 4 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—webrick (RubyGems)before 1.4.01.4.0Patch availableGHSA-369m-2gv6-mw28
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • webrick (RubyGems) Vendor— Affected before 1.4.0 Fixed in 1.4.0 Patch available GHSA-369m-2gv6-mw28

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*up to 2.2.7Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.3.0:*:*:*:*:*:*:*2.3.0Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.3.0:preview1:*:*:*:*:*:*2.3.0 preview1Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.3.0:preview2:*:*:*:*:*:*2.3.0 preview2Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.3.1:*:*:*:*:*:*:*2.3.1Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.3.2:*:*:*:*:*:*:*2.3.2Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.3.3:*:*:*:*:*:*:*2.3.3Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.3.4:*:*:*:*:*:*:*2.3.4Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.4.0:*:*:*:*:*:*:*2.4.0Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.4.0:preview1:*:*:*:*:*:*2.4.0 preview1Vulnerableruby
  • cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:* Versions up to 2.2.7 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.3.0:preview1:*:*:*:*:*:* Versions 2.3.0 preview1 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.3.0:preview2:*:*:*:*:*:* Versions 2.3.0 preview2 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.3.1:*:*:*:*:*:*:* Versions 2.3.1 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.3.2:*:*:*:*:*:*:* Versions 2.3.2 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.3.3:*:*:*:*:*:*:* Versions 2.3.3 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.3.4:*:*:*:*:*:*:* Versions 2.3.4 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.4.0:preview1:*:*:*:*:*:* Versions 2.4.0 preview1 Vulnerable ·ruby
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:ruby-lang:ruby:2.4.0:preview2:*:*:*:*:*:*2.4.0 preview2Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.4.0:preview3:*:*:*:*:*:*2.4.0 preview3Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.4.0:rc1:*:*:*:*:*:*2.4.0 rc1Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.4.1:*:*:*:*:*:*:*2.4.1Vulnerableruby
  • cpe:2.3:a:ruby-lang:ruby:2.4.0:preview2:*:*:*:*:*:* Versions 2.4.0 preview2 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.4.0:preview3:*:*:*:*:*:* Versions 2.4.0 preview3 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.4.0:rc1:*:*:*:*:*:* Versions 2.4.0 rc1 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·ruby

Remediation

  • Fix · GHSA-369m-2gv6-mw28 webrick (RubyGems) Fixed in 1.4.0 Advisory →

Red Hat 7 advisories

  • RHSA-2026:8838 Released 2026-04-17 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images ruby4.0-4.0.0-33.3.hum1@aarch64, ruby4.0-4.0.0-33.3.hum1@src, ruby4.0-4.0.0-33.3.hum1@x86_64 +10
  • RHSA-2026:7307 Released 2026-04-09 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images ruby3.4-3.4.8-31.1.hum1@aarch64, ruby3.4-3.4.8-31.1.hum1@src, ruby3.4-3.4.8-31.1.hum1@x86_64 +10
  • RHSA-2026:7305 Released 2026-04-09 · Red Hat rating Moderate
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images ruby3.3-3.3.10-23.1.hum1@aarch64, ruby3.3-3.3.10-23.1.hum1@src, ruby3.3-3.3.10-23.1.hum1@x86_64 +10
Show 4 more Red Hat advisories
  • RHSA-2018:0585 Released 2018-03-26 · Red Hat rating Important
    rh-ruby23-ruby security, bug fix, and enhancement update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-ruby23-ruby-2.3.6-67.el6, rh-ruby23-ruby-devel-2.3.6-67.el6, rh-ruby23-ruby-doc-2.3.6-67.el6 +16
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-ruby23-ruby-2.3.6-67.el7, rh-ruby23-ruby-devel-2.3.6-67.el7, rh-ruby23-ruby-doc-2.3.6-67.el7 +16
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-ruby23-ruby-2.3.6-67.el6, rh-ruby23-ruby-devel-2.3.6-67.el6, rh-ruby23-ruby-doc-2.3.6-67.el6 +16
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-ruby23-ruby-2.3.6-67.el7, rh-ruby23-ruby-devel-2.3.6-67.el7, rh-ruby23-ruby-doc-2.3.6-67.el7 +16
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-ruby23-ruby-2.3.6-67.el7, rh-ruby23-ruby-devel-2.3.6-67.el7, rh-ruby23-ruby-doc-2.3.6-67.el7 +16
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-ruby23-ruby-2.3.6-67.el6, rh-ruby23-ruby-devel-2.3.6-67.el6, rh-ruby23-ruby-doc-2.3.6-67.el6 +16
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-ruby23-ruby-2.3.6-67.el7, rh-ruby23-ruby-devel-2.3.6-67.el7, rh-ruby23-ruby-doc-2.3.6-67.el7 +16
  • RHSA-2018:0583 Released 2018-03-26 · Red Hat rating Important
    rh-ruby22-ruby security, bug fix, and enhancement update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-ruby22-ruby-2.2.9-19.el6, rh-ruby22-ruby-devel-2.2.9-19.el6, rh-ruby22-ruby-doc-2.2.9-19.el6 +14
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-ruby22-ruby-2.2.9-19.el7, rh-ruby22-ruby-devel-2.2.9-19.el7, rh-ruby22-ruby-doc-2.2.9-19.el7 +14
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-ruby22-ruby-2.2.9-19.el6, rh-ruby22-ruby-devel-2.2.9-19.el6, rh-ruby22-ruby-doc-2.2.9-19.el6 +14
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-ruby22-ruby-2.2.9-19.el7, rh-ruby22-ruby-devel-2.2.9-19.el7, rh-ruby22-ruby-doc-2.2.9-19.el7 +14
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-ruby22-ruby-2.2.9-19.el7, rh-ruby22-ruby-devel-2.2.9-19.el7, rh-ruby22-ruby-doc-2.2.9-19.el7 +14
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-ruby22-ruby-2.2.9-19.el6, rh-ruby22-ruby-devel-2.2.9-19.el6, rh-ruby22-ruby-doc-2.2.9-19.el6 +14
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-ruby22-ruby-2.2.9-19.el7, rh-ruby22-ruby-devel-2.2.9-19.el7, rh-ruby22-ruby-doc-2.2.9-19.el7 +14
  • RHSA-2018:0378 Released 2018-02-28 · Red Hat rating Important
    ruby security update
    • Red Hat Enterprise Linux Client (v. 7) ruby-2.0.0.648-33.el7_4, ruby-irb-2.0.0.648-33.el7_4, ruby-libs-2.0.0.648-33.el7_4 +6
    • Red Hat Enterprise Linux Client Optional (v. 7) ruby-devel-2.0.0.648-33.el7_4, ruby-doc-2.0.0.648-33.el7_4, ruby-tcltk-2.0.0.648-33.el7_4 +3
    • Red Hat Enterprise Linux ComputeNode (v. 7) ruby-2.0.0.648-33.el7_4, ruby-irb-2.0.0.648-33.el7_4, ruby-libs-2.0.0.648-33.el7_4 +6
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) ruby-devel-2.0.0.648-33.el7_4, ruby-doc-2.0.0.648-33.el7_4, ruby-tcltk-2.0.0.648-33.el7_4 +3
    • Red Hat Enterprise Linux Server (v. 7) ruby-2.0.0.648-33.el7_4, ruby-irb-2.0.0.648-33.el7_4, ruby-libs-2.0.0.648-33.el7_4 +7
    • Red Hat Enterprise Linux Server Optional (v. 7) ruby-devel-2.0.0.648-33.el7_4, ruby-doc-2.0.0.648-33.el7_4, ruby-tcltk-2.0.0.648-33.el7_4 +3
    • Red Hat Enterprise Linux Workstation (v. 7) ruby-2.0.0.648-33.el7_4, ruby-irb-2.0.0.648-33.el7_4, ruby-libs-2.0.0.648-33.el7_4 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 7) ruby-devel-2.0.0.648-33.el7_4, ruby-doc-2.0.0.648-33.el7_4, ruby-tcltk-2.0.0.648-33.el7_4 +3
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) ruby-2.0.0.648-33.el7_4, ruby-irb-2.0.0.648-33.el7_4, ruby-libs-2.0.0.648-33.el7_4 +6
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) ruby-devel-2.0.0.648-33.el7_4, ruby-doc-2.0.0.648-33.el7_4, ruby-tcltk-2.0.0.648-33.el7_4 +3
  • RHSA-2017:3485 Released 2017-12-19 · Red Hat rating Moderate
    rh-ruby24-ruby security, bug fix, and enhancement update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-ruby24-ruby-2.4.2-86.el6, rh-ruby24-ruby-devel-2.4.2-86.el6, rh-ruby24-ruby-doc-2.4.2-86.el6 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-ruby24-ruby-2.4.2-86.el7, rh-ruby24-ruby-devel-2.4.2-86.el7, rh-ruby24-ruby-doc-2.4.2-86.el7 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-ruby24-ruby-2.4.2-86.el6, rh-ruby24-ruby-devel-2.4.2-86.el6, rh-ruby24-ruby-doc-2.4.2-86.el6 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-ruby24-ruby-2.4.2-86.el7, rh-ruby24-ruby-devel-2.4.2-86.el7, rh-ruby24-ruby-doc-2.4.2-86.el7 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-ruby24-ruby-2.4.2-86.el7, rh-ruby24-ruby-devel-2.4.2-86.el7, rh-ruby24-ruby-doc-2.4.2-86.el7 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-ruby24-ruby-2.4.2-86.el6, rh-ruby24-ruby-devel-2.4.2-86.el6, rh-ruby24-ruby-doc-2.4.2-86.el6 +17
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-ruby24-ruby-2.4.2-86.el7, rh-ruby24-ruby-devel-2.4.2-86.el7, rh-ruby24-ruby-doc-2.4.2-86.el7 +17

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Hardened ImagesAffectedNo fix yet
Red Hat Subscription Asset ManagerAffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2018:0378
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:0378
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2018:0378
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2018:0378
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:0378
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:0378
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:0378
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:0378
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:0378
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:0378
Red Hat Hardened ImagesFixed RHSA-2026:7305, RHSA-2026:7307, RHSA-2026:8838
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2017:3485, RHSA-2018:0583, RHSA-2018:0585
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:3485, RHSA-2018:0583, RHSA-2018:0585
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7)Fixed RHSA-2017:3485, RHSA-2018:0583, RHSA-2018:0585
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3)Fixed RHSA-2017:3485, RHSA-2018:0583, RHSA-2018:0585
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)Fixed RHSA-2017:3485, RHSA-2018:0583, RHSA-2018:0585
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2017:3485, RHSA-2018:0583, RHSA-2018:0585
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:3485, RHSA-2018:0583, RHSA-2018:0585
Not affected: 2 products
  • CloudForms Management Engine 5
  • Red Hat Hardened Images

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-10784
  2. 2026-10-03 Alias added: GHSA-369m-2gv6-mw28
  3. 2026-11-05 Affected versions changed · Red Hat

References

Patch 2

Advisory 10

Other 14

  • TI-2026-71508 Integer overflow in GitLab allows code execution on the server KEVCVSS 3.1CRITICAL 10.0
  • TI-2017-12709 Ruby before 2.4.3 allows Net::FTP command injection. CVSS 3.0HIGH 8.8
  • TI-2008-03501 Algorithmic complexity vulnerability in the WEBrick::HTTPUtils.split_header_value… CVSS 2.0HIGH 7.8
  • TI-2021-09891 In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web… CVSS 3.1HIGH 7.5
  • TI-2013-03637 Heap-based buffer overflow in Ruby 1.8, 1.9 before 1.9.3-p484, 2.0 before 2.0.0-p353, 2.1… CVSS 2.0MEDIUM 6.8
  • TI-2018-11751 An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5… CVSS 3.0CRITICAL 9.8
See all 92 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences