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CVE-2018-3740

Good to know:

Date: March 30, 2018

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

Language: Ruby

Severity Score

7.5

Related Resources (10)

Url: https://github.com/rgrove/sanitize/issues/176

Url: https://about.gitlab.com/2018/06/25/security-release-gitlab-11-dot-0-dot-1-released/

Url: https://github.com/rgrove/sanitize/commit/01629a162e448a83d901456d0ba8b65f3b03d46e

Url: https://github.com/rgrove/sanitize/commit/93feeb38e21864146bb29191792b971dbe1ec62e

Url: https://www.debian.org/security/2018/dsa-4358

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-3740

Url: https://about.gitlab.com/2018/06/25/security-release-gitlab-11-dot-0-dot-1-released

Url: https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sanitize/CVE-2018-3740.yml

Url: https://github.com/rgrove/sanitize

Url: https://www.mend.io/vulnerability-database/CVE-2018-3740

Severity Score

7.5

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

Input Validation

CWE-20

Top Fix

Upgrade Version

Upgrade to version 4.6.3

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	HIGH
Availability (A):	NONE

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	PARTIAL
Availability (A):	NONE
Additional information:

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