Public Date:
1024542: CVE-2013-4475 samba: no access check verification on stream files

The MITRE CVE dictionary describes this issue as:

Samba 3.2.x through 3.6.x before 3.6.20, 4.0.x before 4.0.11, and 4.1.x before 4.1.1, when vfs_streams_depot or vfs_streams_xattr is enabled, allows remote attackers to bypass intended file restrictions by leveraging ACL differences between a file and an associated alternate data stream (ADS).

Find out more about CVE-2013-4475 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue did not affect the samba package in Red Hat Enterprise Linux 5. This issue was addressed for the samba3x package in Red Hat Enterprise Linux 5 and the samba package in Red Hat Enterprise Linux 6 via, and the samba package in Red Hat Storage via

CVSS v2 metrics

Base Score 4.1
Base Metrics AV:A/AC:L/Au:S/C:P/I:P/A:N
Access Vector Adjacent Network
Access Complexity Low
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 (samba) RHSA-2013:1806 2013-12-10
Red Hat Enterprise Linux 5 (samba3x) RHSA-2013:1806 2013-12-10
Red Hat Storage Server 2.1 (samba) RHSA-2014:0009 2014-01-06

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 samba Not affected
Red Hat Enterprise Linux 5 samba Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation