Multiple checks are performed to validate the integrity of the Linux operating system and the CryptoPro Secure Disk application files. When files are changed an error is shown on system start. One of the checks is the Linux kernel's Integrity Measurement Architecture (IMA). It was identified that configuration files are not validated by the IMA and can then (if not checked by other measures) be changed. This allows an attacker to execute arbitrary code in the context of the root user and enables an attacker to e.g., plant a backdoor and access data during execution.
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Solution
The vendor provides a patch with version 7.6.6 / 7.7.1. Encryption is activated by default starting with version 7.7.
Workaround
Encryption of the PBA partition is possible (since version 7.6.0) and prevents changing of the configuration files. Encryption can be activated via "Client Security/Verschiedenes/PBA Linux Partition verschlüsseln". Clients will be informed by the vendor about the risk if the PBA partition is not encrypted.
| Link | Providers |
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| https://r.sec-consult.com/cpsd |
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Tue, 24 Feb 2026 15:15:00 +0000
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cvssV3_1
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Tue, 24 Feb 2026 14:30:00 +0000
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| Description | The CPSD CryptoPro Secure Disk application boots a small Linux operating system to perform user authentication before using BitLocker to decrypt the Windows partition. The system is located on a separate unencrypted partition which can be reached by anyone with access to the hard disk. Multiple checks are performed to validate the integrity of the Linux operating system and the CryptoPro Secure Disk application files. When files are changed an error is shown on system start. One of the checks is the Linux kernel's Integrity Measurement Architecture (IMA). It was identified that configuration files are not validated by the IMA and can then (if not checked by other measures) be changed. This allows an attacker to execute arbitrary code in the context of the root user and enables an attacker to e.g., plant a backdoor and access data during execution. | |
| Title | Integrity Validation Bypass in CryptoPro Secure Disk for BitLocker | |
| Weaknesses | CWE-353 | |
| References |
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Projects
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Status: PUBLISHED
Assigner: SEC-VLab
Published:
Updated: 2026-02-24T14:53:28.726Z
Reserved: 2025-09-05T08:13:43.528Z
Link: CVE-2025-10010
Updated: 2026-02-24T14:50:35.332Z
Status : Received
Published: 2026-02-24T15:21:35.970
Modified: 2026-02-24T15:21:35.970
Link: CVE-2025-10010
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