CVE-2023-22899
5.9MEDIUMZip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive.
Published: 1/10/2023Updated: 4/9/2025
Description
Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive.
AI AnalysisPowered by AI
Affected Products
zip4j_projectzip4j
References
- https://breakingthe3ma.appThird Party Advisory
- https://breakingthe3ma.app/files/Threema-PST22.pdfExploitTechnical DescriptionThird Party Advisory
- https://github.com/srikanth-lingala/zip4j/issues/485ExploitIssue TrackingPatchThird Party Advisory
- 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 TrackingPatchThird Party Advisory
- 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