PT-2019-12521 · Nginx · Njs

Xeioexo · Published 2019-05-09 · Updated 2022-03-24 · CVE-2019-11838

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 prior to 0.3.2

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

Recommendations For versions prior to 0.3.2, update to version 0.3.2 or later to resolve the issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-11838

Affected Products

Njs

References · 3

• 🔥 https://github.com/nginx/njs/issues/153 · Exploit
• https://osv.dev/vulnerability/CVE-2019-11838 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-11838 · Security Note