PT-2023-18762 · Zip4J+2 · Zip4J+2

Kenny Paterson + 2 · Published 2023-01-10 · Updated 2025-04-09 · CVE-2023-22899

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Zip4j versions prior to 2.11.3

Description The issue is related to the decryption of ZIP archives, where the MAC is not always checked. This affects products that use Zip4j, including Threema.

Recommendations For versions prior to 2.11.3, update to version 2.11.3 or later to resolve the issue. As a temporary workaround, consider disabling the decryption of ZIP archives until a patch is available. Restrict access to ZIP archives to minimize the risk of exploitation. Avoid using the affected Zip4j library in sensitive operations until the issue is resolved.

Exploit

Fix

Origin Validation Error

Weakness Enumeration

CWE-346

Related Identifiers

CVE-2023-22899

GHSA-2PJ2-GCHF-WMW7

Affected Products

Debian

Threema

Zip4J

References · 23

• 🔥 https://github.com/srikanth-lingala/zip4j/issues/485 · Exploit
• 🔥 https://breakingthe3ma.app/files/Threema-PST22.pdf · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-22899 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-22899 · Security Note
• https://threema.ch/en/blog/posts/news-alleged-weaknesses-statement · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/zip4j · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-22899 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-22899 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-22899 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-22899 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-2pj2-gchf-wmw7 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-22899 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-22899 · Security Note
• https://github.com/srikanth-lingala/zip4j/releases · Note
• https://github.com/srikanth-lingala/zip4j · Note