Vulnerability Description
Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive.
CVSS Score
5.9
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zip4J Project | Zip4J | <= 2.11.2 |
Related Weaknesses (CWE)
References
- https://breakingthe3ma.appThird Party Advisory
- https://breakingthe3ma.app/files/Threema-PST22.pdfExploitTechnical DescriptionThird Party Advisory
- https://github.com/srikanth-lingala/zip4j/issues/485ExploitIssue TrackingPatch
- https://github.com/srikanth-lingala/zip4j/releasesRelease NotesThird Party Advisory
- https://news.ycombinator.com/item?id=34316206Third Party Advisory
- https://threema.ch/en/blog/posts/news-alleged-weaknesses-statementVendor Advisory
- https://breakingthe3ma.appThird Party Advisory
- https://breakingthe3ma.app/files/Threema-PST22.pdfExploitTechnical DescriptionThird Party Advisory
- https://github.com/srikanth-lingala/zip4j/issues/485ExploitIssue TrackingPatch
- https://github.com/srikanth-lingala/zip4j/releasesRelease NotesThird Party Advisory
- https://news.ycombinator.com/item?id=34316206Third Party Advisory
- https://threema.ch/en/blog/posts/news-alleged-weaknesses-statementVendor Advisory
FAQ
What is CVE-2023-22899?
CVE-2023-22899 is a vulnerability with a CVSS score of 5.9 (MEDIUM). Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive.
How severe is CVE-2023-22899?
CVE-2023-22899 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-22899?
Check the references section above for vendor advisories and patch information. Affected products include: Zip4J Project Zip4J.