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TI-2018-12447 Aliases CVE-2018-17456GHSA-g986-jp62-5xq6

Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2…

Priority CRITICAL 87CWE-88Published · 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: 22 fixed, 3 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-88.

Summary

Git before 2.14.5, 2.15.x before 2.15.3, 2.16.x before 2.16.5, 2.17.x before 2.17.2, 2.18.x before 2.18.1, and 2.19.x before 2.19.1 allows remote code execution during processing of a recursive "git clone" of a superproject if a .gitmodules file has a URL field beginning with a '-' character.

Why it matters now

EPSS 0.97356 99th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix Partial Red Hat: 3 advisoriesRed Hat: 22 fixed, 3 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
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 19

CPEVersionsRoleVendor
cpe:2.3:a:git-scm:git:*:*:*:*:*:*:*:*2.14.0 to before 2.14.5; 2.15.0 to before 2.15.3; 2.16.0 to before 2.16.5; 2.17.0 to before 2.17.2; 2.18.0 to before 2.18.1; 2.19.0 to before 2.19.1VulnerableGit-scm
cpe:2.3:a:redhat:ansible_tower:3.3:*:*:*:*:*:*:*3.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:6.7:*:*:*:*:*:*:*6.7VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.3:*:*:*:*:*:*:*7.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*7.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:git-scm:git:*:*:*:*:*:*:*:* Versions 2.14.0 to before 2.14.5; 2.15.0 to before 2.15.3; 2.16.0 to before 2.16.5; 2.17.0 to before 2.17.2; 2.18.0 to before 2.18.1; 2.19.0 to before 2.19.1 Vulnerable ·Git-scm
  • cpe:2.3:a:redhat:ansible_tower:3.3:*:*:*:*:*:*:* Versions 3.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:6.7:*:*:*:*:*:*:* Versions 6.7 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Show 9 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*7.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*7.6VulnerableRed 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:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
  • 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:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 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
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian

Remediation

Red Hat 3 advisories

  • RHSA-2020:0316 Released 2020-02-03 · Red Hat rating Important
    git security update
    • Red Hat Enterprise Linux Desktop Optional (v. 6) emacs-git-1.7.1-10.el6_10, emacs-git-el-1.7.1-10.el6_10, git-1.7.1-10.el6_10 +9
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) emacs-git-1.7.1-10.el6_10, emacs-git-el-1.7.1-10.el6_10, git-1.7.1-10.el6_10 +9
    • Red Hat Enterprise Linux Server (v. 6) git-1.7.1-10.el6_10, perl-Git-1.7.1-10.el6_10
    • Red Hat Enterprise Linux Server Optional (v. 6) emacs-git-1.7.1-10.el6_10, emacs-git-el-1.7.1-10.el6_10, git-all-1.7.1-10.el6_10 +7
    • Red Hat Enterprise Linux Workstation (v. 6) git-1.7.1-10.el6_10, perl-Git-1.7.1-10.el6_10
    • Red Hat Enterprise Linux Workstation Optional (v. 6) emacs-git-1.7.1-10.el6_10, emacs-git-el-1.7.1-10.el6_10, git-all-1.7.1-10.el6_10 +7
  • RHSA-2018:3541 Released 2018-11-13 · Red Hat rating Important
    rh-git29-git security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-git29-emacs-git-2.9.3-7.el6, rh-git29-emacs-git-el-2.9.3-7.el6, rh-git29-git-2.9.3-7.el6 +13
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-git29-git-2.9.3-8.el7, rh-git29-git-all-2.9.3-8.el7, rh-git29-git-core-2.9.3-8.el7 +11
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-git29-emacs-git-2.9.3-7.el6, rh-git29-emacs-git-el-2.9.3-7.el6, rh-git29-git-2.9.3-7.el6 +13
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-git29-git-2.9.3-8.el7, rh-git29-git-all-2.9.3-8.el7, rh-git29-git-core-2.9.3-8.el7 +11
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-git29-git-2.9.3-6.el7, rh-git29-git-all-2.9.3-6.el7, rh-git29-git-core-2.9.3-6.el7 +11
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-git29-git-2.9.3-6.el7, rh-git29-git-2.9.3-8.el7, rh-git29-git-all-2.9.3-6.el7 +25
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-git29-emacs-git-2.9.3-7.el6, rh-git29-emacs-git-el-2.9.3-7.el6, rh-git29-git-2.9.3-7.el6 +13
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-git29-git-2.9.3-8.el7, rh-git29-git-all-2.9.3-8.el7, rh-git29-git-core-2.9.3-8.el7 +11
  • RHSA-2018:3408 Released 2018-10-30 · Red Hat rating Important
    git security update
    • Red Hat Enterprise Linux Client Optional (v. 7) emacs-git-1.8.3.1-20.el7, emacs-git-el-1.8.3.1-20.el7, git-1.8.3.1-20.el7 +15
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) emacs-git-1.8.3.1-20.el7, emacs-git-el-1.8.3.1-20.el7, git-1.8.3.1-20.el7 +15
    • Red Hat Enterprise Linux Server (v. 7) git-1.8.3.1-20.el7, perl-Git-1.8.3.1-20.el7
    • Red Hat Enterprise Linux Server Optional (v. 7) emacs-git-1.8.3.1-20.el7, emacs-git-el-1.8.3.1-20.el7, git-all-1.8.3.1-20.el7 +13
    • Red Hat Enterprise Linux Workstation (v. 7) git-1.8.3.1-20.el7, perl-Git-1.8.3.1-20.el7
    • Red Hat Enterprise Linux Workstation Optional (v. 7) emacs-git-1.8.3.1-20.el7, emacs-git-el-1.8.3.1-20.el7, git-all-1.8.3.1-20.el7 +13
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) git-1.8.3.1-20.el7, perl-Git-1.8.3.1-20.el7
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) emacs-git-1.8.3.1-20.el7, emacs-git-el-1.8.3.1-20.el7, git-all-1.8.3.1-20.el7 +13

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Fuse 7AffectedNo fix yet
Red Hat JBoss Fuse 6AffectedNo fix yet
Red Hat JBoss Fuse Integration Service 2AffectedNo fix yet
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:3408
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2018:3408
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2020:0316
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2020:0316
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2020:0316
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:3408
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2020:0316
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:3408
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2020:0316
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:3408
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2020:0316
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:3408
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:3408
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:3408
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2018:3541
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:3541
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7)Fixed RHSA-2018:3541
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3)Fixed RHSA-2018:3541
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)Fixed RHSA-2018:3541
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2018:3541
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2018:3541
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:3541
Not affected: 3 products
  • Red Hat Enterprise Linux 8
  • Red Hat Mobile Application Platform 4
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-17456
  2. 2026-10-03 Alias added: GHSA-g986-jp62-5xq6

References

Exploit 2

Patch 2

Advisory 11

Sources

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