CVE-2016-2125
MEDIUM severity · CVSS 6.5 · Improper authentication
6.5CVSS MEDIUM
Summary
It was found that Samba before versions 4.5.3, 4.4.8, 4.3.13 always requested forwardable tickets when using Kerberos authentication. A service to which Samba authenticated using Kerberos could subsequently use the ticket to impersonate Samba to other services or domain users.
Impact & exploitability
Attack vectorAdjacent
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)9%
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-2125Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0494.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2017-0495.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2017-0662.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2017-0744.htmlAdvisory
- http://www.securityfocus.com/bid/94988Advisory
- http://www.securitytracker.com/id/1037494Advisory
- https://access.redhat.com/errata/RHSA-2017:1265Advisory