CVE-2023-22899

State: Published
Severity: 5.9 Medium
Published: Jan 10, 2023
Updated: Apr 9, 2025
Reserved: Jan 10, 2023

Description

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

Scores

CVSS	Score	Vector	Source
3.1	5.9 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N	CISA-ADP

Weaknesses

CWE-346 Origin Validation Error

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://breakingthe3ma.app/
https://breakingthe3ma.app/files/Threema-PST22.pdf
https://news.ycombinator.com/item?id=34316206
https://threema.ch/en/blog/posts/news-alleged-weaknesses-statement
https://github.com/srikanth-lingala/zip4j/releases
https://github.com/srikanth-lingala/zip4j/issues/485

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