WinZip before 11.0 does not properly verify the authenticity of updates, which allows…
Priority LOW 39CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-94.
Summary
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.
Why it matters now
EPSS 0.03758 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:winzip:winzip:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | WinZip |
| cpe:2.3:a:winzip:winzip:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | WinZip |
| cpe:2.3:a:winzip:winzip:8.1:*:*:*:*:*:*:* | 8.1 | Vulnerable | WinZip |
| cpe:2.3:a:winzip:winzip:8.1:*:sr1:*:*:*:*:* | 8.1 | Vulnerable | WinZip |
| cpe:2.3:a:winzip:winzip:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | WinZip |
| cpe:2.3:a:winzip:winzip:9.0:*:sr1:*:*:*:*:* | 9.0 | Vulnerable | WinZip |
| cpe:2.3:a:winzip:winzip:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | WinZip |
- cpe:2.3:a:winzip:winzip:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·WinZip
- cpe:2.3:a:winzip:winzip:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·WinZip
- cpe:2.3:a:winzip:winzip:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·WinZip
- cpe:2.3:a:winzip:winzip:8.1:*:sr1:*:*:*:*:* Versions 8.1 Vulnerable ·WinZip
- cpe:2.3:a:winzip:winzip:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·WinZip
- cpe:2.3:a:winzip:winzip:9.0:*:sr1:*:*:*:*:* Versions 9.0 Vulnerable ·WinZip
- cpe:2.3:a:winzip:winzip:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·WinZip
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-3442
- 2026-10-03 Alias added: GHSA-fc6q-rxqx-rpp6
References
More Winzip vulnerabilities
- TI-2004-00302 Buffer overflow in the UUDeview package, as used in WinZip 6.2 through WinZip 8.1 SR-1… CVSS 2.0HIGH 10.0
- TI-2002-00357 Buffer overflow in the ZIP capability for multiple products allows remote attackers to… CVSS 2.0HIGH 7.5
- TI-2006-03768 Stack-based buffer overflow in the Sky Software FileView ActiveX control, as used in… CVSS 2.0HIGH 9.3
- TI-2004-00203 Multiple stack-based buffer overflows in the get_header function in header.c for LHA… CVSS 2.0HIGH 10.0
- TI-2006-05014 The WZFILEVIEW.FileViewCtrl.61 ActiveX control (aka Sky Software "FileView" ActiveX… CVSS 2.0MEDIUM 4.0
- TI-2025-01060 Out-of-bounds write in WinZip CVSS 3.1HIGH 8.8
Sources
- CVE-2008-3442 · CVE Program
- CVE-2008-3442 · NVD
- FIRST EPSS
- GHSA-fc6q-rxqx-rpp6 · GitHub Advisory Database · CC BY 4.0
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