Information Exposure Affecting openssh-clients package, versions *


Severity

Recommended
low

Based on CentOS security rating.

Threat Intelligence

EPSS
0.26% (66th percentile)

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  • Snyk IDSNYK-CENTOS7-OPENSSHCLIENTS-1992493
  • published26 Jul 2021
  • disclosed28 Aug 2018

Introduced: 28 Aug 2018

CVE-2018-15919  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 openssh-clients.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh-clients package and not the openssh-clients package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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.'