PT-2020-16416 · Gitlab · Gitlab Ce/Ee+1

Published 2020-12-11 · Updated 2024-03-06 · CVE-2020-26409

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Gitlab CE/EE versions 10.3 through 13.4.6 Gitlab CE/EE versions 13.5 through 13.5.4 Gitlab CE/EE versions 13.6 through 13.6.1

Description A DOS issue exists that allows an attacker to trigger uncontrolled resource consumption by bypassing input validation in markdown fields.

Recommendations For Gitlab CE/EE versions 10.3 through 13.4.6, update to version 13.4.7 or later. For Gitlab CE/EE versions 13.5 through 13.5.4, update to version 13.5.5 or later. For Gitlab CE/EE versions 13.6 through 13.6.1, update to version 13.6.2 or later.

Fix

DoS

RCE

Resource Exhaustion

Weakness Enumeration

CWE-20

CWE-400

Related Identifiers

BIT-GITLAB-2020-26409

CVE-2020-26409

Affected Products

Gitlab

Gitlab Ce/Ee

References · 34

• https://cve.org/CVERecord?id=CVE-2020-26409 · Security Note
• https://ubuntu.com/security/CVE-2020-26409 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-26409 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-26409 · Vendor Advisory
• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26409.json · Vendor Advisory
• https://osv.dev/vulnerability/BIT-gitlab-2020-26409 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-26409 · Vendor Advisory
• https://t.me/cibsecurity/20210 · Telegram Post
• https://t.me/cibsecurity/19822 · Telegram Post
• https://gitlab.com/gitlab-org/gitlab/-/issues/259626 · Note
• https://t.me/cibsecurity/19842 · Telegram Post
• https://t.me/cibsecurity/20056 · Telegram Post
• https://t.me/cibsecurity/20170 · Telegram Post
• https://t.me/cibsecurity/19902 · Telegram Post
• https://t.me/cibsecurity/19882 · Telegram Post