GitLab Community Edition/Enterprise Edition up to 11.8.8/11.9.9/11.10.1 Branch Name Merge Request cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, was found in GitLab Community Edition and Enterprise Edition up to 11.8.8/11.9.9/11.10.1. The affected element is an unknown function of the component Branch Name Handler. The manipulation as part of Merge Request results in cross site scripting. This vulnerability is cataloged as CVE-2019-11547. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in GitLab Community Edition and Enterprise Edition up to 11.8.8/11.9.9/11.10.1 (Bug Tracking Software). Affected is some unknown functionality of the component Branch Name Handler. The manipulation as part of a Merge Request leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

An issue was discovered in GitLab Community and Enterprise Edition before 11.8.9, 11.9.x before 11.9.10, and 11.10.x before 11.10.2. It has Improper Encoding or Escaping of Output. The branch name on new merge request notification emails isn't escaped, which could potentially lead to XSS issues.

The weakness was shared 09/09/2019 (Website). The advisory is shared for download at about.gitlab.com. This vulnerability is traded as CVE-2019-11547 since 04/25/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 11.8.9, 11.9.10 or 11.10.2 eliminates this vulnerability.

The entries VDB-141441, VDB-141442, VDB-141443 and VDB-141445 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Bug Tracking Software

Vendor

• GitLab

Name

• Community Edition
• Enterprise Edition

Version

• 11.8.0
• 11.8.1
• 11.8.2
• 11.8.3
• 11.8.4
• 11.8.5
• 11.8.6
• 11.8.7
• 11.8.8
• 11.9.0
• 11.9.1
• 11.9.2
• 11.9.3
• 11.9.4
• 11.9.5
• 11.9.6
• 11.9.7
• 11.9.8
• 11.9.9
• 11.10.0
• 11.10.1

License

• open-source

Website

• Vendor: https://gitlab.com/

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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