PT-2019-3959 · Notepad++ · Notepad++

Published 2019-09-14 · Updated 2024-03-11 · CVE-2019-16294

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Notepad++ versions prior to 7.7

Description The issue is related to insufficient input validation in the SciLexer.dll component of the Scintilla text editing component in Notepad++. This can be exploited by a remote attacker using a specially crafted .ml file containing Unicode characters, potentially leading to remote code execution or denial of service.

Recommendations For versions prior to 7.7, update to version 7.7 or later to resolve the issue. As a temporary workaround, consider avoiding the use of .ml files containing Unicode characters in Notepad++ until the update is applied.

Exploit

Fix

DoS

RCE

Memory Corruption

Weakness Enumeration

CWE-787

CWE-20

Related Identifiers

BDU:2019-04475

CVE-2019-16294

Affected Products

Notepad++

References · 10

• 🔥 https://github.com/bi7s/CVE/tree/master/CVE-2019-16294 · Exploit
• 🔥 https://exploit-db.com/exploits/47393 · Exploit
• https://notepad-plus-plus.org/download/v7.7.html · Vendor Advisory
• https://scintilla.org/ScintillaHistory.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-16294 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-16294 · Security Note
• https://bdu.fstec.ru/vul/2019-04475 · Security Note
• https://t.me/defcon_news/26183 · Telegram Post
• http://packetstormsecurity.com/files/154706/Notepad-Code-Execution-Denial-Of-Service.html · Note
• https://twitter.com/mysidia/status/1767380519518384437 · Twitter Post