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Vulnerability record · CVE-2008-3442 · published 1 August 2008

CVE-2008-3442: Winzip code injection vulnerability

Winzip · Winzip

WinZip before 11.0 does not properly verify the authenticity of updates, which allows man-in-the-middle attackers to execute arbitrary code via a Trojan horse update, as demonstrated by evilgrade and DNS cache poisoning.

7.5 CVSS 2.0 High EPSS 3.8% · top 10.5% CWE-94 · Code injection
7.5CVSS 2.0 base score
3.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

WinZip before 11.0 does not properly verify the authenticity of updates, which allows man-in-the-middle attackers to execute arbitrary code via a Trojan horse update, as demonstrated by evilgrade and DNS cache poisoning.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/bugtraq/2008-07/0250.html
http://securitytracker.com/id?1020581
http://www.infobyte.com.ar/down/Francisco%20Amato%20-%20evilgrade%20-%20ENG.pdf
http://www.infobyte.com.ar/down/isr-evilgrade-1.0.0.tar.gz
http://archives.neohapsis.com/archives/bugtraq/2008-07/0250.html
http://securitytracker.com/id?1020581
http://www.infobyte.com.ar/down/Francisco%20Amato%20-%20evilgrade%20-%20ENG.pdf
http://www.infobyte.com.ar/down/isr-evilgrade-1.0.0.tar.gz

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2004-0333Openpkg vulnerabilityBuffer overflow in the UUDeview package, as used in WinZip 6.2 through WinZip 8.1 SR-1, and possibly other packages, allows remote attackers to execu…EPSS 24%10.0CVE-2004-0234Clearswift mailsweeper memory buffer overflow vulnerabilityMultiple stack-based buffer overflows in the get_header function in header.c for LHA 1.14, as used in products such as Barracuda Spam Firewall, allow…EPSS 10%9.3CVE-2006-6884Winzip memory buffer overflow vulnerabilityBuffer overflow in the WZFILEVIEW.FileViewCtrl.61 ActiveX control (aka Sky Software "FileView" ActiveX control) for WinZip 10.0 Build 6667 allows rem…EPSS 4.5%9.3CVE-2006-3890Sky software fileview activex control vulnerabilityStack-based buffer overflow in the Sky Software FileView ActiveX control, as used in WinZip 10 before build 7245 and in certain other applications, a…EPSS 15%8.8CVE-2025-1240Winzip out-of-bounds write vulnerabilityWinZip 7Z File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code …EPSS 10%7.8CVE-2024-8811Winzip vulnerabilityWinZip Mark-of-the-Web Bypass Vulnerability. This vulnerability allows remote attackers to bypass the Mark-of-the-Web protection mechanism on affecte…EPSS 0.39%7.5CVE-2002-0370Allume systems division stuffit expander vulnerabilityBuffer overflow in the ZIP capability for multiple products allows remote attackers to cause a denial of service or execute arbitrary code via ZIP fi…EPSS 43%6.6CVE-2007-0264Winzip vulnerabilityBuffer overflow in Winzip32.exe in WinZip 9.0 allows local users to cause a denial of service (application crash) and possibly execute arbitrary code…EPSS 0.70%

Source: NIST National Vulnerability Database (record CVE-2008-3442), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.