CVE-2013-4475

samba: no access check verification on stream files

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Severity

Moderate

Red Hat Product Security

4.1

CVSS 2.0

Review impact separately from score.

Published · October 25, 2013

Updated · June 27, 2026

Description

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).

Statement

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 https://rhn.redhat.com/errata/RHSA-2013-1806.html, and the samba package in Red Hat Storage via https://rhn.redhat.com/errata/RHSA-2014-0009.html

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 4.1
AV:A/AC:L/Au:S/C:P/I:P/A:N

CWE not specified