CVE-2020-26409 Information

Description

A DOS vulnerability exists in Gitlab CE/EE >=10.3 <13.4.7>=13.5 <13.5.5>=13.6 <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

https://gitlab.com/gitlab-org/gitlab/-/issues/259626 https://hackerone.com/reports/990461 https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26409.json

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5