SB2019051710 - Input validation error in GitLab, Gitlab Community Edition



SB2019051710 - Input validation error in GitLab, Gitlab Community Edition

Published: May 17, 2019 Updated: August 8, 2020

Security Bulletin ID SB2019051710
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2018-20500)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

An insecure permissions issue was discovered in GitLab Community and Enterprise Edition 9.4 and later but before 11.4.13, 11.5.x before 11.5.6, and 11.6.x before 11.6.1. The runner registration token in the CI/CD settings could not be reset. This was a security risk if one of the maintainers leaves the group and they know the token.


Remediation

Install update from vendor's website.