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 8y ago modified 4mo 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 and 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
Is CVE-2018-17456 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor 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, 2026-11-09).
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 Intel 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.