CVE-2014-9278

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-12-06 · updated 2026-06-17
Weakness: CWE-287

Description

The OpenSSH server, as used in Fedora and Red Hat Enterprise Linux 7 and when running in a Kerberos environment, allows remote authenticated users to log in as another user when they are listed in the .k5users file of that user, which might bypass intended authentication requirements that would force a local login.

Affected products

OpenSSH: all versions

References

http://rhn.redhat.com/errata/RHSA-2015-0425.html
http://thread.gmane.org/gmane.comp.encryption.kerberos.general/15855
http://www.openwall.com/lists/oss-security/2014/12/02/3
http://www.openwall.com/lists/oss-security/2014/12/04/17
http://www.securityfocus.com/bid/71420
https://bugzilla.mindrot.org/show_bug.cgi?id=1867
https://bugzilla.redhat.com/show_bug.cgi?id=1169843
https://exchange.xforce.ibmcloud.com/vulnerabilities/99090
http://rhn.redhat.com/errata/RHSA-2015-0425.html
http://thread.gmane.org/gmane.comp.encryption.kerberos.general/15855
http://www.openwall.com/lists/oss-security/2014/12/02/3
http://www.openwall.com/lists/oss-security/2014/12/04/17

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