CVE-2016-2125

MEDIUM

Samba < 4.3.13 - Improper Authentication via Forwardable Kerberos Ticket Request

Title source: llm
STIX 2.1

Description

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.

References (9)

Core 9
Core References
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0495.html
Issue Tracking, Mitigation, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-2125
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0494.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1037494
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:1265
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/94988
Mitigation, Patch, Vendor Advisory x_refsource_confirm
https://www.samba.org/samba/security/CVE-2016-2125.html
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0744.html
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2017-0662.html

Scores

CVSS v3 6.5
EPSS 0.1115
EPSS Percentile 93.6%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-287 CWE-20
Status published
Products (16)
redhat/enterprise_linux_desktop 6.0
redhat/enterprise_linux_desktop 7.0
redhat/enterprise_linux_server 6.0
redhat/enterprise_linux_server 7.0
redhat/enterprise_linux_server_aus 7.4
redhat/enterprise_linux_server_aus 7.6
redhat/enterprise_linux_server_eus 7.3
redhat/enterprise_linux_server_eus 7.4
redhat/enterprise_linux_server_eus 7.5
redhat/enterprise_linux_server_eus 7.6
... and 6 more
Published Oct 31, 2018
Tracked Since Feb 18, 2026