Public Date:
1072792: CVE-2013-4496 samba: Password lockout not enforced for SAMR password changes

The MITRE CVE dictionary describes this issue as:

Samba 3.x before 3.6.23, 4.0.x before 4.0.16, and 4.1.x before 4.1.6 does not enforce the password-guessing protection mechanism for all interfaces, which makes it easier for remote attackers to obtain access via brute-force ChangePasswordUser2 (1) SAMR or (2) RAP attempts.

Find out more about CVE-2013-4496 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 3.8
Base Metrics AV:A/AC:M/Au:S/C:P/I:P/A:N
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None

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 (samba4) RHSA-2014:0383 2014-04-09
Red Hat Enterprise Linux 5 (samba3x) RHSA-2014:0330 2014-03-25
Red Hat Enterprise Linux 6 (samba) RHSA-2014:0330 2014-03-25

Affected Packages State

Platform Package State
Red Hat Gluster Storage 2.1 samba Affected
Red Hat Enterprise Linux 7 samba Not affected
Red Hat Enterprise Linux 5 samba Not affected


Red Hat would like to thank the Samba project for reporting this issue. Upstream acknowledges Andrew Bartlett as the original reporter.

Last Modified

CVE description copyright © 2017, The MITRE Corporation


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