CVE-2020-26409 — Improper Input Validation in Gitlab

CWE-20 — Improper Input ValidationCWE-400 — Uncontrolled Resource Consumption5 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
0.2%
top 61.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
GitlabDebian GitlabGitlab CE EE+1 more
Timeline
PublishedDec 11
Latest updateMay 24

Description

A DOS vulnerability exists in Gitlab CE/EE >=10.3, =13.5, =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:HExploitability: 2.8 | Impact: 3.6

Affected Packages5 packages

▶NVDgitlab/gitlab10.3.0 — 13.4.7+2
▶debiandebian/gitlab< gitlab 13.4.7-1 (sid)
▶gitlabgitlab/gitlab
▶CVEListV5gitlab/gitlab_ce_ee6 versions+5

🔴Vulnerability Details

2
GHSA
GHSA-3jr7-57xj-6hhm: A DOS vulnerability exists in Gitlab CE/EE >=10↗2022-05-24
▶
OSV
CVE-2020-26409: A DOS vulnerability exists in Gitlab CE/EE >=10↗2020-12-11
▶

📋Vendor Advisories

2
GitLab
CVE-2020-26409: 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↗2020-12-11
▶
Debian
CVE-2020-26409: gitlab - A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13....↗2020
▶