Mark-of-the-Web bypass in WinZip

1) Security features bypass

EUVDB-ID: #VU97461

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-8811

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to an error when handling archives. A remote attacker can bypass the Mark-of-the-Web protection mechanism and trick the victim into executing a malicious file from the archive file.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WinZip: before 76.8

CPE2.3

External links

http://www.zerodayinitiative.com/advisories/ZDI-24-1234/

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.