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CVE-2025-5372
Good to know:
Date: July 4, 2025
In libssh before 0.11.2 ssh_kdf() returns a success code on certain failures for libssh built with OpenSSL < 3.0. This is caused by the alias of OpenSSL return value 0 (failure) with libssh SSH_OK (0). Returning success code from the ssh_kdf() function without initializing the output buffers can lead to use of uninitialized cryptographic keys and failing to encrypt/decrypt following communication.
Severity Score
Related Resources (7)
Severity Score
Top Fix
Upgrade Version
Upgrade to version https://git.libssh.org/projects/libssh.git - libssh-0.11.2
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | LOW |
| Availability (A): | LOW |