CVEvulnerability

CVE-2025-5372

8.8 HIGH Published 2025-07-04 Modified 2026-09-01 Official page ↗
Status
Modified
Published
2025-07-04
Last modified
2026-09-01
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.0 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-682

Description

A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the ssh_kdf() function responsible for key derivation. Due to inconsistent interpretation of return values where OpenSSL uses 0 to indicate failure and libssh uses 0 for success—the function may mistakenly return a success status even when key derivation fails. This results in uninitialized cryptographic key buffers being used in subsequent communication, potentially compromising SSH sessions' confidentiality, integrity, and availability.

Affected configurations

• libssh libssh (< 0.11.2) • redhat openshift container platform 4.0 • redhat enterprise linux 6.0 • redhat enterprise linux 7.0 • redhat enterprise linux 8.0 • redhat enterprise linux 9.0 • redhat enterprise linux 10.0

Related

Weakness · CWE (1)

  • CWE-682 Incorrect Calculation weakness

References