CVE-2019-11839 Information

Description

njs through 0.3.1 used in NGINX has a heap-based buffer overflow in Array.prototype.push after a resize related to njs_array_prototype_push in njs/njs_array.c because of njs_array_expand size mishandling.

CVSS Vector

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

Reference

https://github.com/nginx/njs/issues/152

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8