CVE-2023-6918

CVE Details

Release Date:

2023-12-18

Description

A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the uninitialized memory as an input for the KDF. In this case, non-matching keys will result in decryption/integrity failures, terminating the connection.

See more information about CVE-2023-6918 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	3.7	Base Metrics:	AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Access Vector:	Network	Attack Complexity:	High
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	None	Availability Impact:	Low

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (libssh)	ELSA-2024-3233	2024-05-23
Oracle Linux version 9 (libssh)	ELSA-2024-2504	2024-05-02

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team