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TI-2017-00846 Aliases CVE-2017-0898GHSA-wvmx-3rv2-5jgf

Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which…

Priority MEDIUM 51CWE-134Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Partial Red Hat: 17 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.

Summary

Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting in a heap memory corruption or an information disclosure from the heap.

Why it matters now

EPSS 0.09718 95th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 17 fixed, 1 without a fix

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
HackerOneRubyVersions before 2.4.2, 2.3.5, and 2.2.8—No fix listedCNA
  • Ruby VendorHackerOne Affected Versions before 2.4.2, 2.3.5, and 2.2.8 Fixed in — No fix listed CNA

CPE configurations NVD · 15

CPEVersionsRoleVendor
cpe:2.3:a:ruby-lang:ruby:2.2.0:*:*:*:*:*:*:*2.2.0Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.2.1:*:*:*:*:*:*:*2.2.1Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.2.2:*:*:*:*:*:*:*2.2.2Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.2.3:*:*:*:*:*:*:*2.2.3Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.2.4:*:*:*:*:*:*:*2.2.4Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.2.5:*:*:*:*:*:*:*2.2.5Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.2.6:*:*:*:*:*:*:*2.2.6Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.2.7:*:*:*:*:*:*:*2.2.7Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.3.0:*:*:*:*:*:*:*2.3.0Vulnerableruby
cpe:2.3:a:ruby-lang:ruby:2.3.1:*:*:*:*:*:*:*2.3.1Vulnerableruby
  • cpe:2.3:a:ruby-lang:ruby:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.2.2:*:*:*:*:*:*:* Versions 2.2.2 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.2.3:*:*:*:*:*:*:* Versions 2.2.3 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.2.4:*:*:*:*:*:*:* Versions 2.2.4 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.2.5:*:*:*:*:*:*:* Versions 2.2.5 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.2.6:*:*:*:*:*:*:* Versions 2.2.6 Vulnerable ·ruby
  • cpe:2.3:a:ruby-lang:ruby:2.2.7:*:*:*:*:*:*:* Versions 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:2.3.1:*:*:*:*:*:*:* Versions 2.3.1 Vulnerable ·ruby
Show 5 more CPE
CPEVersionsRoleVendor
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:2.4.1:*:*:*:*:*:*:*2.4.1Vulnerableruby
  • 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:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·ruby

Remediation

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

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
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 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: 3 products
  • CloudForms Management Engine 5
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-0898
  2. 2026-10-03 Alias added: GHSA-wvmx-3rv2-5jgf

References

Exploit 2

Advisory 8

Other 1

  • 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