Git up to 2.24.0 Clone input validation

Summaryinfo

A vulnerability labeled as critical has been found in Git up to 2.24.0. The affected element is an unknown function of the component Clone Handler. Executing a manipulation can lead to input validation. This vulnerability is tracked as CVE-2019-1387. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Git up to 2.24.0 (Versioning Software). It has been declared as critical. This vulnerability affects an unknown part of the component Clone Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was found in Git before v2.24.1, v2.23.1, v2.22.2, v2.21.1, v2.20.2, v2.19.3, v2.18.2, v2.17.3, v2.16.6, v2.15.4, and v2.14.6. Recursive clones are currently affected by a vulnerability that is caused by too-lax validation of submodule names, allowing very targeted attacks via remote code execution in recursive clones.

The weakness was disclosed 12/18/2019. This vulnerability was named CVE-2019-1387. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 234508 (Amazon Linux 2 : git (ALAS-2025-2818)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.14.6, 2.15.4, 2.16.6, 2.17.3, 2.18.2, 2.19.3, 2.20.2, 2.21.1, 2.22.2, 2.23.1 or 2.24.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (234508). The entry VDB-147033 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Versioning Software

Name

• Git

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.14.0
• 2.14.1
• 2.14.2
• 2.14.3
• 2.14.4
• 2.14.5
• 2.15
• 2.15.0
• 2.15.1
• 2.15.2
• 2.15.3
• 2.16
• 2.16.0
• 2.16.1
• 2.16.2
• 2.16.3
• 2.16.4
• 2.16.5
• 2.17
• 2.17.0
• 2.17.1
• 2.17.2
• 2.18
• 2.18.0
• 2.18.1
• 2.19
• 2.19.0
• 2.19.1
• 2.19.2
• 2.20
• 2.20.0
• 2.20.1
• 2.21
• 2.21.0
• 2.22
• 2.22.0
• 2.22.1
• 2.23
• 2.23.0
• 2.24.0

License

• open-source

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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