GitLab Community Edition/Enterprise Edition up to 11.7.9/11.8.5/11.9.3 .gitlab-ci.yml refs resource consumption

Summaryinfo

A vulnerability categorized as problematic has been discovered in GitLab Community Edition and Enterprise Edition up to 11.7.9/11.8.5/11.9.3. This affects an unknown function of the file .gitlab-ci.yml. The manipulation of the argument refs results in resource consumption. This vulnerability is identified as CVE-2019-10640. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GitLab Community Edition and Enterprise Edition up to 11.7.9/11.8.5/11.9.3 (Bug Tracking Software). Affected is an unknown functionality of the file .gitlab-ci.yml. The manipulation of the argument refs with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. CVE summarizes:

An issue was discovered in GitLab Community and Enterprise Edition before 11.7.10, 11.8.x before 11.8.6, and 11.9.x before 11.9.4. A regex input validation issue for the .gitlab-ci.yml refs value allows Uncontrolled Resource Consumption.

The bug was discovered 04/01/2019. The weakness was released 05/15/2019. This vulnerability is traded as CVE-2019-10640 since 03/29/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 44 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 257946 (Linux Distros Unpatched Vulnerability : CVE-2019-10640), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 11.7.10, 11.8.6 or 11.9.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (257946). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Bug Tracking Software

Vendor

• GitLab

Name

• Community Edition
• Enterprise Edition

Version

• 11.7.0
• 11.7.1
• 11.7.2
• 11.7.3
• 11.7.4
• 11.7.5
• 11.7.6
• 11.7.7
• 11.7.8
• 11.7.9
• 11.8.0
• 11.8.1
• 11.8.2
• 11.8.3
• 11.8.4
• 11.8.5
• 11.9.0
• 11.9.1
• 11.9.2
• 11.9.3

License

• open-source

Website

• Vendor: https://gitlab.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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