CVE Database›CVE-2019-1349

CVE-2019-1349

git: Recursive submodule cloning allows using git directory twice with synonymous directory name written in .git/

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.0

Review impact separately from score.

Published · December 10, 2019

Updated · June 28, 2026

Description

An improper input validation flaw was discovered in git in the way it handles git submodules. A remote attacker could abuse this flaw to trick a victim user into recursively cloning a malicious repository, which, under certain circumstances, could fool git into using the same git directory twice and potentially cause remote code execution.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Avoid running git clone --recurse-submodules and git submodule update with untrusted repositories.

CVSS / CWE

CVSS 3.0 · 7.5
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-20 · Improper Input Validation