CVE-2018-17456 in the critical feed json
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…
published 2018-10-06 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-9209
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 97.4%
- EPSS 97.4% chance of exploitation in 30 days, percentile 99.8%
- public exploits
- 3
- Metasploit, Exploit-DB
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.
Patch / fix
- git-scm git 2.14.5, 2.15.3, 2.16.5, 2.17.2, 2.18.1, 2.19.1
- git Debian 14, Debian 13, Debian 12 1:2.19.1-1
debian advisories DEBIAN-CVE-2018-17456
- git Ubuntu 14.04 LTS 1:1.9.1-1ubuntu0.9
- git Ubuntu 16.04 LTS 1:2.7.4-0ubuntu1.5
- git Ubuntu 18.04 LTS 1:2.17.1-1ubuntu0.3
ubuntu advisories UBUNTU-CVE-2018-17456
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- git RHEL 6 1.7.1-10.el6_10
- gitk RHEL 6 1.7.1-10.el6_10
- gitweb RHEL 6 1.7.1-10.el6_10
- git-all RHEL 6 1.7.1-10.el6_10
- git-cvs RHEL 6 1.7.1-10.el6_10
- git-gui RHEL 6 1.7.1-10.el6_10
- git-svn RHEL 6 1.7.1-10.el6_10
- perl-Git RHEL 6 1.7.1-10.el6_10
red hat advisories RHSA-2020:0316RHSA-2018:3408RHSA-2018:3541
- git SLE Module for Development Tools 15 SP1, SLE Module for Basesystem 15 SP1 2.26.1-3.25.2
- git SLES 12 SP4, SLES 12 SP3, SLES 12 SP2-BCL +13 more 2.12.3-27.17.2
- libgit2 SLE Module for Development Tools 15 0.26.8-3.8.1
- git SLE Module for Development Tools 15, SLE Module for Basesystem 15 2.16.4-3.6.1
suse advisories SUSE-SU-2020:1121-1SUSE-SU-2018:4088-3SUSE-SU-2018:4088-2SUSE-SU-2018:4088-1SUSE-SU-2018:4009-1SUSE-SU-2018:3150-1
- git openSUSE Tumbleweed 2.33.0-1.3
- libgit2 openSUSE Tumbleweed 1.1.1-1.2
- git openSUSE Leap 15.1 2.26.1-lp151.4.9.1
opensuse advisories openSUSE-SU-2024:10786-1openSUSE-SU-2024:10943-1openSUSE-SU-2020:0598-1
- git Alpine 3.24, Alpine 3.23, Alpine 3.22 +13 more 2.19.1-r0
- git Alpine 3.5 2.11.3-r2
- git Alpine 3.6 2.13.7-r1
- git Alpine 3.7 2.15.3-r0
- git Alpine 3.8 2.18.1-r0
alpine advisories ALPINE-CVE-2018-17456
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- git Arch Linux 2.19.1-1
arch linux advisories AVG-776
- github.com/git/git@1a7fd1f commit
- github.com/git/git@a124133 commit
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2018-17456 updated cvss 8.8
git: arbitrary code execution via .gitmodules
-
Red Hat Fuse 7 camel Red Hat JBoss Fuse 6 camel Red Hat JBoss Fuse Integration Service 2 camelaffected: no fix available
-
Red Hat Enterprise Linux Client Optional (v. 7) git 1.8.3.1-20.el7, gitk 1.8.3.1-20.el7, git-hg 1.8.3.1-20.el7, git-p4 1.8.3.1-20.el7, gitweb 1.8.3.1-20.el7, git-all 1.8.3.1-20.el7, +12 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) git 1.8.3.1-20.el7, gitk 1.8.3.1-20.el7, git-hg 1.8.3.1-20.el7, git-p4 1.8.3.1-20.el7, gitweb 1.8.3.1-20.el7, git-all 1.8.3.1-20.el7, +12 morefixed: vendor fix RHSA-2018:3408
-
Red Hat Enterprise Linux Desktop Optional (v. 6) git 1.7.1-10.el6_10, gitk 1.7.1-10.el6_10, gitweb 1.7.1-10.el6_10, git-all 1.7.1-10.el6_10, git-cvs 1.7.1-10.el6_10, git-gui 1.7.1-10.el6_10, +6 morefixed: vendor fix RHSA-2020:0316
-
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) gitk 1.8.3.1-20.el7, git-hg 1.8.3.1-20.el7, git-p4 1.8.3.1-20.el7, gitweb 1.8.3.1-20.el7, git-all 1.8.3.1-20.el7, git-bzr 1.8.3.1-20.el7, +10 morefixed: vendor fix RHSA-2018:3408
-
Red Hat Enterprise Linux HPC Node Optional (v. 6) git 1.7.1-10.el6_10, gitk 1.7.1-10.el6_10, gitweb 1.7.1-10.el6_10, git-all 1.7.1-10.el6_10, git-cvs 1.7.1-10.el6_10, git-gui 1.7.1-10.el6_10, +6 more Red Hat Enterprise Linux Server (v. 6) git 1.7.1-10.el6_10, perl-Git 1.7.1-10.el6_10fixed: vendor fix RHSA-2020:0316
-
Red Hat Enterprise Linux Server (v. 7) git 1.8.3.1-20.el7, perl-Git 1.8.3.1-20.el7fixed: vendor fix RHSA-2018:3408
-
Red Hat Enterprise Linux Server Optional (v. 6) gitk 1.7.1-10.el6_10, gitweb 1.7.1-10.el6_10, git-all 1.7.1-10.el6_10, git-cvs 1.7.1-10.el6_10, git-gui 1.7.1-10.el6_10, git-svn 1.7.1-10.el6_10, +4 morefixed: vendor fix RHSA-2020:0316
-
Red Hat Enterprise Linux Server Optional (v. 7) gitk 1.8.3.1-20.el7, git-hg 1.8.3.1-20.el7, git-p4 1.8.3.1-20.el7, gitweb 1.8.3.1-20.el7, git-all 1.8.3.1-20.el7, git-bzr 1.8.3.1-20.el7, +10 morefixed: vendor fix RHSA-2018:3408
show 6 moreshow fewer
-
Red Hat Enterprise Linux Workstation (v. 6) git 1.7.1-10.el6_10, perl-Git 1.7.1-10.el6_10fixed: vendor fix RHSA-2020:0316
-
Red Hat Enterprise Linux Workstation (v. 7) git 1.8.3.1-20.el7, perl-Git 1.8.3.1-20.el7fixed: vendor fix RHSA-2018:3408
-
Red Hat Enterprise Linux Workstation Optional (v. 6) gitk 1.7.1-10.el6_10, gitweb 1.7.1-10.el6_10, git-all 1.7.1-10.el6_10, git-cvs 1.7.1-10.el6_10, git-gui 1.7.1-10.el6_10, git-svn 1.7.1-10.el6_10, +4 morefixed: vendor fix RHSA-2020:0316
-
Red Hat Enterprise Linux Workstation Optional (v. 7) gitk 1.8.3.1-20.el7, git-hg 1.8.3.1-20.el7, git-p4 1.8.3.1-20.el7, gitweb 1.8.3.1-20.el7, git-all 1.8.3.1-20.el7, git-bzr 1.8.3.1-20.el7, +10 morefixed: vendor fix RHSA-2018:3408
-
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) rh-git29-git 2.9.3-7.el6, rh-git29-gitk 2.9.3-7.el6, rh-git29-git-p4 2.9.3-7.el6, rh-git29-gitweb 2.9.3-7.el6, rh-git29-git-all 2.9.3-7.el6, rh-git29-git-cvs 2.9.3-7.el6, +9 more Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-git29-git 2.9.3-8.el7, rh-git29-gitk 2.9.3-8.el7, rh-git29-git-p4 2.9.3-8.el7, rh-git29-gitweb 2.9.3-8.el7, rh-git29-git-all 2.9.3-8.el7, rh-git29-git-cvs 2.9.3-8.el7, +7 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) rh-git29-git 2.9.3-7.el6, rh-git29-gitk 2.9.3-7.el6, rh-git29-git-p4 2.9.3-7.el6, rh-git29-gitweb 2.9.3-7.el6, rh-git29-git-all 2.9.3-7.el6, rh-git29-git-cvs 2.9.3-7.el6, +9 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.3) rh-git29-git 2.9.3-8.el7, rh-git29-gitk 2.9.3-8.el7, rh-git29-git-p4 2.9.3-8.el7, rh-git29-gitweb 2.9.3-8.el7, rh-git29-git-all 2.9.3-8.el7, rh-git29-git-cvs 2.9.3-8.el7, +7 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-git29-git 2.9.3-6.el7, rh-git29-gitk 2.9.3-6.el7, rh-git29-git-p4 2.9.3-6.el7, rh-git29-gitweb 2.9.3-6.el7, rh-git29-git-all 2.9.3-6.el7, rh-git29-git-cvs 2.9.3-6.el7, +7 more 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-gitk 2.9.3-6.el7, rh-git29-gitk 2.9.3-8.el7, rh-git29-git-p4 2.9.3-6.el7, rh-git29-git-p4 2.9.3-8.el7, +20 morefixed: vendor fix RHSA-2018:3541
+2 more productsfewer
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) rh-git29-git 2.9.3-7.el6, rh-git29-gitk 2.9.3-7.el6, rh-git29-git-p4 2.9.3-7.el6, rh-git29-gitweb 2.9.3-7.el6, rh-git29-git-all 2.9.3-7.el6, rh-git29-git-cvs 2.9.3-7.el6, +9 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-git29-git 2.9.3-8.el7, rh-git29-gitk 2.9.3-8.el7, rh-git29-git-p4 2.9.3-8.el7, rh-git29-gitweb 2.9.3-8.el7, rh-git29-git-all 2.9.3-8.el7, rh-git29-git-cvs 2.9.3-8.el7, +7 more -
Red Hat Enterprise Linux 8 git, gitk, gitweb, git-all, git-gui, git-svn, +8 more Red Hat Mobile Application Platform 4 fh-scm Red Hat Software Collections rh-git218-git, rh-git218-gitk, rh-git218-git-p4, rh-git218-gitweb, rh-git218-git-all, rh-git218-git-cvs, +9 morenot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Timeline
- First public exploit (Metasploit exploit/multi/http/git_submodule_url_exec)
- Published
Exploit prediction
97.36% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/multi/http/git_submodule_url_exec Malicious Git HTTP Server For CVE-2018-17456 metasploit exploit, excellent rank, 2018-10-05
- EDB-45631 Git Submodule - Arbitrary Code Execution local, 2018-10-16
- EDB-45548 Git Submodule - Arbitrary Code Execution (PoC) local, 2018-10-05
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-88 Improper Neutralization of Argument Delimiters in a Command
References
-
github.com
/git/git/commit/1a7fd1fb2998002da6e9ff2ee46e1bdd25ee8404
patch, third-party-advisory
-
github.com
/git/git/commit/a124133e1e6ab5c7a9fef6d0e6bcb084e3455b46
patch, third-party-advisory
-
exploit-db.com
/exploits/45631/
exploit, third-party-advisory, vdb-entry
-
exploit-db.com
/exploits/45548/
exploit, third-party-advisory, vdb-entry
-
debian.org
/security/2018/dsa-4311
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2018:3505
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2018:3541
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2018:3408
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/3791-1/
vendor-advisory, third-party-advisory
-
access.redhat.com
/errata/RHSA-2020:0316
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-05/msg00003.html
vendor-advisory
-
securityfocus.com
/bid/105523
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1041811
vdb-entry, third-party-advisory
-
marc.info
/?l=git&m=153875888916397&w=2
third-party-advisory
-
openwall.com
/lists/oss-security/2018/10/06/3
mailing-list, third-party-advisory
-
seclists.org
/bugtraq/2019/Mar/30
mailing-list, third-party-advisory
-
securityfocus.com
/bid/107511
vdb-entry, third-party-advisory
-
packetstormsecurity.com
/files/152173/Sourcetree-Git-Arbitrary-Code-Execution-URL-Handling.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2018-17456
- NVD CVE-2018-17456
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.