#VU93731 Out-of-bounds read in 7-Zip - CVE-2023-52169

Vulnerability identifier: #VU93731

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-52169

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
7-Zip
Client/Desktop applications / Software for archiving

Vendor: 7-zip.org

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the NtfsHandler.cpp NTFS handler. A remote attacker can create a specially crafted archive, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

7-Zip: 2.00 Beta 1 - 24.00

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External links
https://seclists.org/oss-sec/2024/q3/24
https://dfir.ru/2024/06/19/vulnerabilities-in-7-zip-and-ntfs3/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.