Zip4j Project: Security Vulnerabilities
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
EPSS Score
0.002
Published
2023-01-10
zip4j up to v2.10.0 can throw various uncaught exceptions while parsing a specially crafted ZIP file, which could result in an application crash. This could be used to mount a denial of service attack against services that use zip4j library.
CVSS Score
5.5
EPSS Score
0.003
Published
2022-02-24
zip4j before 1.3.3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
CVSS Score
6.5
EPSS Score
0.013
Published
2018-07-25