wibu-codemeter-analysis

WIBU CodeMeter DLL の暗号解析 WIBU-Systems CodeMeter 保護に関する独立したセキュリティ調査 責任ある情報開示 ベンダー通知日: 2025年12月24日 開示期間: 90日 公開日: 2026年3月24日 対象: WibuBz32.dll の解析のみ 概要 WIBU CodeMeter ランタイムライブラリの解析により、カスタム PE セクションに AES-256 暗号化と一致しない特性が明らかになった。 主な発見: 指標| 期待値 AES-256| 観測値| 偏差 ---|---|---|--- シャノンエントロピー| ≥7.9 bits/byt...

EUVD-2023-44561

Malicious code in bioql PyPI...

EUVD-2021-28208

Malicious code in bioql PyPI...

CVE-2023-3935

A heap buffer overflow vulnerability in Wibu CodeMeter Runtime network service up to version 7.60b allows an unauthenticated, remote attacker to achieve RCE and gain full access of the host system...

CVE-2021-41057

In WIBU CodeMeter Runtime before 7.30a, creating a crafted CmDongles symbolic link will overwrite the linked file without checking permissions...

CVE-2025-47809

Wibu CodeMeter before 8.30a sometimes allows privilege escalation immediately after installation before a logoff or reboot. For exploitation, there must have been an unprivileged installation with UAC, and the CodeMeter Control Center component must be installed, and the CodeMeter Control Center...

PT-2025-21591

Name of the Vulnerable Software and Affected Versions: Wibu CodeMeter versions prior to 8.30a Description: The issue allows for privilege escalation immediately after installation, before a logoff or reboot, under specific conditions. These conditions include an unprivileged installation with UAC...

CVE-2025-47809

Wibu CodeMeter before 8.30a sometimes allows privilege escalation immediately after installation before a logoff or reboot. For exploitation, there must have been an unprivileged installation with UAC, and the CodeMeter Control Center component must be installed, and the CodeMeter Control Center...

CVE-2025-47809: Least Privilege Violation

Wibu CodeMeter before 8.30a sometimes allows privilege escalation immediately after installation before a logoff or reboot. For exploitation, there must have been an unprivileged installation with UAC, and the CodeMeter Control Center component must be installed, and the CodeMeter Control Center...

CVE-2025-47809

Wibu CodeMeter before 8.30a sometimes allows privilege escalation immediately after installation before a logoff or reboot. For exploitation, there must have been an unprivileged installation with UAC, and the CodeMeter Control Center component must be installed, and the CodeMeter Control Center...

CVE-2025-47809

CVE-2025-47809 affects Wibu CodeMeter before 8.30a. The issue enables privilege escalation immediately after installation under specific conditions: an unprivileged installation with UAC, the CodeMeter Control Center component present and not restarted, allowing a local user to navigate from Impo...

CVE-2023-3935

A heap buffer overflow vulnerability in Wibu CodeMeter Runtime network service up to version 7.60b allows an unauthenticated, remote attacker to achieve RCE and gain full access of the host system...

Heap overflow

A heap buffer overflow vulnerability in Wibu CodeMeter Runtime network service up to version 7.60b allows an unauthenticated, remote attacker to achieve RCE and gain full access of the host system...

CVE-2023-3935

CVE-2023-3935 describes a heap buffer overflow in the CodeMeter Runtime network service (Wibu Systems) up to version 7.60b, enabling an unauthenticated, remote attacker to achieve remote code execution and gain full host access. Connected sources confirm the vulnerability is tied to CodeMeter Run...

CVE-2023-3935 Wibu: Buffer Overflow in CodeMeter Runtime

A heap buffer overflow vulnerability in Wibu CodeMeter Runtime network service up to version 7.60b allows an unauthenticated, remote attacker to achieve RCE and gain full access of the host system...

CVE-2023-3935: Out-of-bounds Write

A heap buffer overflow vulnerability in Wibu CodeMeter Runtime network service up to version 7.60b allows an unauthenticated, remote attacker to achieve RCE and gain full access of the host system...

PT-2023-4578 · Wibu · Wibu Codemeter Runtime

Name of the Vulnerable Software and Affected Versions: Wibu CodeMeter Runtime versions up to 7.60b Description: The issue is related to a heap buffer overflow vulnerability in the Wibu CodeMeter Runtime network service. This vulnerability can be exploited by an unauthenticated, remote attacker to...

CVE-2021-41057

In WIBU CodeMeter Runtime before 7.30a, creating a crafted CmDongles symbolic link will overwrite the linked file without checking permissions...

Code injection

In WIBU CodeMeter Runtime before 7.30a, creating a crafted CmDongles symbolic link will overwrite the linked file without checking permissions...

CVE-2021-41057

CVE-2021-41057 affects WIBU CodeMeter Runtime prior to 7.30a. A local attacker can abuse a crafted CmDongles symbolic link to overwrite the target file without permission checks, potentially crashing the CodeMeter Runtime Server and causing DoS. Public documentation confirms affected product is C...