CVE-2023-3979 - Incorrect Authorization in GitLab

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MEDIUM

Incorrect Authorization in GitLab

Published Sep 29, 2023

4.3

MEDIUM

CVSS 3.1

EPSS 0.47%

Description

An issue has been discovered in GitLab affecting all versions starting from 10.6 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible that upstream members to collaborate with you on your branch get permission to write to the merge request’s source branch.

Affected products

Vendor GitLab Product GitLab Default
unaffected
- Version
  10.6
  Status
  affected
  Constraints
  <16.2.8
- Version
  16.3
  Status
  affected
  Constraints
  <16.3.5
- Version
  16.4
  Status
  affected
  Constraints
  <16.4.1

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

GitLab

unaffected

Version	Status	Constraints
10.6	affected	<16.2.8
16.3	affected	<16.3.5
16.4	affected	<16.4.1

Remediation

Vendor solution

Upgrade to version 16.4.1, 16.3.5, 16.2.8

Weaknesses (1)

CWE-863

Incorrect Authorization

References (2)

https://gitlab.com/gitlab-org/gitlab/-/issues/419972
issue-trackingpermissions-requiredBroken Link
https://hackerone.com/reports/2082560
technical-descriptionexploitpermissions-requiredbroken-linkPermissions Required

Link	Providers	Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/419972		issue-trackingpermissions-requiredBroken Link
https://hackerone.com/reports/2082560		technical-descriptionexploitpermissions-requiredbroken-linkPermissions Required