Out-of-bounds read in Notepad++ - CVE-2023-40036
Published: September 8, 2023 / Updated: September 22, 2023
Vulnerability identifier: #VU80568
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-40036
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Notepad++
Notepad++
Software vendor:
Notepad++
Notepad++
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the CharDistributionAnalysis::HandleOneChar() function. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.
Remediation
Install updates from vendor's website.