PT-2019-18343 · Gitlab+1 · Gitlab Ce/Ee+2

Jouko · Published 2019-09-09 · Updated 2019-09-10 · CVE-2019-6784

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GitLab Community and Enterprise Edition versions 11.5.8 and earlier, 11.6.x before 11.6.6, 11.7.x before 11.7.1

Description The issue allows for a persistent XSS due to a lack of input validation and output encoding when processing KaTeX in Markdown fields.

Recommendations For GitLab Community and Enterprise Edition versions 11.5.8 and earlier, update to version 11.5.8 or later. For GitLab Community and Enterprise Edition versions 11.6.x before 11.6.6, update to version 11.6.6 or later. For GitLab Community and Enterprise Edition versions 11.7.x before 11.7.1, update to version 11.7.1 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2019-6784

Affected Products

Gitlab

Gitlab Ce/Ee

Katex

References · 9

• 🔥 https://gitlab.com/gitlab-org/gitlab-ce/issues/54416 · Exploit
• https://ubuntu.com/security/CVE-2019-6784 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-6784 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-6784 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-6784 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-6784 · Vendor Advisory
• https://about.gitlab.com/2019/01/31/security-release-gitlab-11-dot-7-dot-3-released · Vendor Advisory
• https://about.gitlab.com/releases/2019/01/31/security-release-gitlab-11-dot-7-dot-3-released · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6784 · Note