vulnerability

Red Hat: CVE-2018-15919: openssh: User enumeration via malformed packets in authentication requests

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Aug 28, 2018
Added
Jul 9, 2025
Modified
Jul 9, 2025

Description

Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a target system when GSS2 is in use. NOTE: the discoverer states 'We understand that the OpenSSH developers do not want to treat such a username enumeration (or "oracle") as a vulnerability.'

Solution

no-fix-redhat-rpm-package
Title
NEW

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