CVE-2019-19604: OS Command Injection
First published: Tue Dec 10 2019(Updated: )
Arbitrary command execution is possible in Git before 2.20.2, 2.21.x before 2.21.1, 2.22.x before 2.22.2, 2.23.x before 2.23.1, and 2.24.x before 2.24.1 because a "git submodule update" operation can run commands found in the .gitmodules file of a malicious repository.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Git-scm Git | <2.20.0 | |
| Git-scm Git | >=2.21.0<2.21.1 | |
| Git-scm Git | >=2.22.0<2.22.2 | |
| Git-scm Git | >=2.23.0<2.23.1 | |
| Git-scm Git | >=2.24.0<2.24.1 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Fedoraproject Fedora | =30 | |
| Fedoraproject Fedora | =31 | |
| openSUSE Leap | =15.1 | |
| debian/git | 1:2.20.1-2+deb10u3 1:2.20.1-2+deb10u8 1:2.30.2-1+deb11u2 1:2.39.2-1.1 1:2.42.0-1 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00056.html
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00003.html
- http://www.openwall.com/lists/oss-security/2019/12/13/1
- https://gitlab.com/gitlab-com/gl-security/disclosures/blob/master/003_git_submodule/advisory.md
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HCYSSCA5ZTEP46SB4XRPSQGFV2L3NKMZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N6UGTEOXWIYSM5KDZL74QD2GK6YQNQCP/
- https://public-inbox.org/git/xmqqr21cqcn9.fsf@gitster-ct.c.googlers.com/
- https://raw.githubusercontent.com/git/git/master/Documentation/RelNotes/2.24.1.txt
- https://security.gentoo.org/glsa/202003-30
- https://www.debian.org/security/2019/dsa-4581
- https://git.kernel.org/pub/scm/git/git.git/commit/?id=e904deb89d9a9669a76a426182506a084d3f6308
- https://git.kernel.org/pub/scm/git/git.git/commit/?id=bb92255ebe6bccd76227e023d6d0bc997e318ad0
- https://git.kernel.org/pub/scm/git/git.git/commit/?id=c1547450748fcbac21675f2681506d2d80351a19
- https://www.openwall.com/lists/oss-security/2019/12/13/1
- https://security-tracker.debian.org/tracker/CVE-2019-19604
- https://public-inbox.org/git/xmqqr21cqcn9.fsf%40gitster-ct.c.googlers.com/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HCYSSCA5ZTEP46SB4XRPSQGFV2L3NKMZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N6UGTEOXWIYSM5KDZL74QD2GK6YQNQCP/
Frequently Asked Questions
What is CVE-2019-19604?
CVE-2019-19604 is a vulnerability in Git that allows arbitrary command execution.
What is the severity of CVE-2019-19604?
The severity of CVE-2019-19604 is critical with a CVSS score of 7.8.
How does CVE-2019-19604 work?
CVE-2019-19604 allows a malicious repository to execute commands through a 'git submodule update' operation.
What versions of Git are affected by CVE-2019-19604?
Git versions before 2.20.2, 2.21.x before 2.21.1, 2.22.x before 2.22.2, 2.23.x before 2.23.1, and 2.24.x before 2.24.1 are affected by CVE-2019-19604.
How can I mitigate CVE-2019-19604?
To mitigate CVE-2019-19604, update Git to version 2.20.2 or later.
- collector/nvd-index
- collector/security-tracker-debian
- agent/weakness
- agent/type
- agent/severity
- agent/references
- agent/author
- agent/description
- agent/event
- agent/last-modified-date
- agent/first-publish-date
- agent/softwarecombine
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/git-scm
- canonical/git-scm git
- version/git-scm git/2.21.0
- version/git-scm git/2.22.0
- version/git-scm git/2.23.0
- version/git-scm git/2.24.0
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/30
- version/fedoraproject fedora/31
- vendor/opensuse
- canonical/opensuse leap
- version/opensuse leap/15.1
- package-manager/debian