Multiple vulnerabilities in WinZip



| Updated: 2025-01-20
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-8811
CWE-ID CWE-254
CWE-787
Exploitation vector Network
Public exploit N/A
Vulnerable software
 WinZip
Client/Desktop applications / Software for archiving

Vendor WinZip Computing, Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Security features bypass

EUVDB-ID: #VU97461

Risk: Medium

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

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: 5.5 - 28.0

CPE2.3 External links

https://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.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted archive.

Is there known malware, which exploits this vulnerability?

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

2) Out-of-bounds write

EUVDB-ID: #VU103065

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can create a specially crafted 7Z file, trick the victim into opening it using the affected software, trigger an out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WinZip: 5.5 - 28.0

CPE2.3 External links

https://www.zerodayinitiative.com/advisories/ZDI-25-047/


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted archive.

Is there known malware, which exploits this vulnerability?

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



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