GitLab Community Edition/Enterprise Edition up to 13.6.1 GraphQL information disclosure

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CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 13.6.1 (Bug Tracking Software) and classified as problematic. This issue affects an unknown function of the component GraphQL. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. Impacted is confidentiality. The summary by CVE is:

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4 before 13.6.2. Information disclosure via GraphQL results in user email being unexpectedly visible.

The weakness was shared 12/11/2020. It is possible to read the advisory at hackerone.com. The identification of this vulnerability is CVE-2020-26413 since 10/01/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 13.6.2 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at gitlab.com. The best possible mitigation is suggested to be upgrading to the latest version.

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-200
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Community Edition/Enterprise Edition 13.6.2
Patch: gitlab.com

Timelineinfoedit

10/01/2020 CVE assigned
12/11/2020 +71 days Advisory disclosed
12/11/2020 +0 days VulDB entry created
12/15/2020 +4 days VulDB last update

Sourcesinfoedit

Vendor: https://gitlab.com/

Advisory: hackerone.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2020-26413 (🔒)

Entryinfoedit

Created: 12/11/2020 09:52 AM
Updated: 12/15/2020 09:03 PM
Changes: (1) source_cve_cna
Complete: 🔍

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