Zip4J
CVE-2023-22899
MEDIUM
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Lifecycle Timeline
1Blast Radius
ecosystem impact- 129 maven packages depend on net.lingala.zip4j:zip4j (22 direct, 107 indirect)
Ecosystem-wide dependent count for version 2.11.3.
DescriptionNVD
Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive.
AnalysisAI
Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-346. Zip4j through 2.11.2, as used in Threema and other products, does not always check the MAC when decrypting a ZIP archive. Affected products include: Zip4J Project Zip4J. Version information: through 2.11.2.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
zip4j before 1.3.3 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot d
zip4j up to v2.10.0 can throw various uncaught exceptions while parsing a specially crafted ZIP file, which could result
Same weakness CWE-346 – Origin Validation Error
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today