CVE-2023-22899: Origin Validation Error

January 10, 2023 (updated January 30, 2023)

Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive.

References

breakingthe3ma.app/
breakingthe3ma.app/files/Threema-PST22.pdf
github.com/srikanth-lingala/zip4j/releases
news.ycombinator.com/item?id=34316206
nvd.nist.gov/vuln/detail/CVE-2023-22899
threema.ch/en/blog/posts/news-alleged-weaknesses-statement

Code Behaviors & Features

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