OS Command Injection in Git - CVE-2019-19604
Published: December 12, 2019
Vulnerability identifier: #VU23556
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2019-19604
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Git
Affected software:
Git
Git
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to a "git submodule update" operation can run commands found in the ".gitmodules" file of a malicious repository. A remote unauthenticated attacker can execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2019-19604
Install updates from vendor's website.