PT-2019-12522 · Nginx · Njs

Xeioexo · Published 2019-05-09 · Updated 2022-03-24 · CVE-2019-11839

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions njs versions through 0.3.1

Description The issue is related to a heap-based buffer overflow in Array.prototype.push after a resize. This is due to mishandling of the njs array expand size in the njs array prototype push function located in njs/njs array.c.

Recommendations For versions through 0.3.1, update to a version that contains a fix for this issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-11839

Affected Products

Njs

References · 3

• 🔥 https://github.com/nginx/njs/issues/152 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-11839 · Security Note
• https://osv.dev/vulnerability/CVE-2019-11839 · Vendor Advisory