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TI-2017-00847 Aliases CVE-2017-0899GHSA-7gcp-2gmq-w3xh

Code injection in HackerOne RubyGems

Priority MEDIUM 55CWE-150Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 17 fixed, 4 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-94.

Summary

RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications that include terminal escape characters. Printing the gem specification would execute terminal escape sequences.

Why it matters now

EPSS 0.11102 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial RubyGems (HackerOne): 2.6.13rubygems-update (RubyGems): 2.6.13Red Hat: 4 advisoriesRed Hat: 17 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
HackerOneRubyGemsbefore 2.6.132.6.13Patch availableCNA
—rubygems-update (RubyGems)before 2.6.132.6.13Patch availableGHSA-7gcp-2gmq-w3xh
  • RubyGems VendorHackerOne Affected before 2.6.13 Fixed in 2.6.13 Patch available CNA
  • rubygems-update (RubyGems) Vendor— Affected before 2.6.13 Fixed in 2.6.13 Patch available GHSA-7gcp-2gmq-w3xh

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:*up to 2.6.12Vulnerablerubygems
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
  • cpe:2.3:a:rubygems:rubygems:*:*:*:*:*:*:*:* Versions up to 2.6.12 Vulnerable ·rubygems
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

  • Fix · CNA RubyGems (HackerOne) Fixed in 2.6.13
  • Fix · GHSA-7gcp-2gmq-w3xh rubygems-update (RubyGems) Fixed in 2.6.13 Advisory →

Red Hat 4 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
Show 1 more Red Hat advisories
  • 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

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    HackerOne RubyGems — GLSA-201710-01

    3 records Highest priority Priority MEDIUM 3 MEDIUM

    Other records, highest priority first

    • TI-2017-00849 Path traversal in HackerOne RubyGemsPriority MEDIUM 56
    • TI-2017-00850 Origin validation error in HackerOne RubyGemsPriority MEDIUM 43
    Show all 3 records → Advisory →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise MRG 2Affected—
Red Hat Satellite 6Affected—
Red Hat Subscription Asset ManagerAffected—
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 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

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-0899
  2. 2026-10-03 Alias added: GHSA-7gcp-2gmq-w3xh

References

Exploit 1

Patch 3

Advisory 8

Other 3

Sources

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