CVE-2021-29059 Information

Description

A vulnerability was discovered in IS-SVG version 2.1.0 to 4.2.2 and below where a Regular Expression Denial of Service (ReDOS) occurs if the application is provided and checks a crafted invalid SVG string.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/yetingli/SaveResults/blob/main/js/is-svg.js https://www.npmjs.com/package/is-svg https://github.com/sindresorhus/is-svg/releases/tag/v4.3.0 https://github.com/yetingli/PoCs/blob/main/CVE-2021-29059/IS-SVG.md

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5