CVE-2016-2126

Impact:
Moderate
Public Date:
2016-12-19
Bugzilla:
1403115: CVE-2016-2126 samba: Flaws in Kerberos PAC validation can trigger privilege elevation
A flaw was found in the way Samba handled PAC (Privilege Attribute Certificate) checksums. A remote, authenticated attacker could use this flaw to crash the winbindd process.

Find out more about CVE-2016-2126 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 2.3
Base Metrics AV:A/AC:M/Au:S/C:N/I:N/A:P
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

CVSS3 Base Score 3.5
CVSS3 Base Metrics CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack Vector Adjacent Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (samba) RHSA-2017:0662 2017-03-21
Red Hat Gluster 3.2 Samba on RHEL-6 (samba) RHSA-2017:0494 2017-03-23
Red Hat Enterprise Linux 7 (samba) RHSA-2017:1265 2017-05-22
Red Hat Gluster 3.2 Samba on RHEL-7 (samba) RHSA-2017:0495 2017-03-23
Red Hat Enterprise Linux 6 (samba4) RHSA-2017:0744 2017-03-21

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 samba Will not fix
Red Hat Enterprise Linux 5 samba3x Will not fix

External References

Last Modified
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.