CVE-2018-3740 Information

Description

A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

https://about.gitlab.com/2018/06/25/security-release-gitlab-11-dot-0-dot-1-released/ https://github.com/rgrove/sanitize/commit/01629a162e448a83d901456d0ba8b65f3b03d46e https://github.com/rgrove/sanitize/issues/176 https://www.debian.org/security/2018/dsa-4358

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5