Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2016-2125

Improper Authentication

Published: Oct 31, 2018 | Modified: Nov 21, 2024
CVSS 3.x
6.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
3.3 LOW
AV:A/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
4.3 MODERATE
AV:A/AC:M/Au:N/C:P/I:P/A:N
RedHat/V3
6.4 MODERATE
CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2016-2125
CWEhttps://cwe.mitre.org/data/definitions/287.html

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.

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

NameVendorStart VersionEnd Version
SambaSamba3.0.25 (including)4.3.13 (excluding)
SambaSamba4.4.0 (including)4.4.8 (excluding)
SambaSamba4.5.0 (including)4.5.3 (excluding)
Red Hat Enterprise Linux 6RedHatsamba-0:3.6.23-41.el6*
Red Hat Enterprise Linux 6RedHatsamba4-0:4.2.10-9.el6*
Red Hat Enterprise Linux 7RedHatsamba-0:4.4.4-13.el7_3*
Red Hat Gluster Storage 3.2 for RHEL 6RedHatsamba-0:4.4.6-4.el6rhs*
Red Hat Gluster Storage 3.2 for RHEL 7RedHatsamba-0:4.4.6-4.el7rhgs*
SambaUbuntudevel*
SambaUbuntuesm-infra-legacy/trusty*
SambaUbuntuesm-infra/xenial*
SambaUbuntuprecise*
SambaUbuntutrusty*
SambaUbuntutrusty/esm*
SambaUbuntuxenial*
SambaUbuntuyakkety*
SambaUbuntuzesty*
Samba4Ubuntuprecise*

Potential Mitigations

References

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