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Red Hat Security Advisory

RHSA-2024:0538

libssh security update

Released 2024-01-29 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Fixes 3 records

Priority HIGH 70

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted (from the extension negoti…

CVSS 3.1MEDIUM 5.9 Network No auth No interaction EPSS 0.93547 Published 2023-12-18 Partial fix · 0.40.2, 0.17.0 +2 CWE-354
TI-2023-01564 CVE-2023-1667 · GHSA-fx73-x3p9-h2wf

NULL pointer dereference in libssh

Priority LOW 32

A NULL pointer dereference was found In libssh during re-keying with algorithm guessing.

CVSS 3.1MEDIUM 6.5 Network Low privileges No interaction EPSS 0.01314 Published 2023-05-26 Partial fix CWE-476
TI-2023-02141 CVE-2023-2283 · GHSA-h9jw-g3xj-5hwg

Improper authentication in libssh

Priority LOW 31

A vulnerability was found in libssh, where the authentication check of the connecting client can be bypassed in the`pki_verify_data_signature` function in memory allocation problems.

CVSS 3.1MEDIUM 6.5 Network No auth No interaction EPSS 0.01061 Published 2023-05-26 Partial fix CWE-287