CVE-2009-1888

Name: CVE-2009-1888
Creator: NVD / NIST
Published: 2009-06-25T01:30:01.75+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.61%

Last modified Jun 16, 2026

CVE-2009-1888 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.61% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

4.61%

90.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Samba	Samba	>= 3.0.31, <= 3.0.35
Samba	Samba	>= 3.2.0, < 3.2.13
Samba	Samba	>= 3.3.0, < 3.3.6
Debian	Debian Linux	4.0
Debian	Debian Linux	5.0
Canonical	Ubuntu Linux	6.06
Canonical	Ubuntu Linux	8.04
Canonical	Ubuntu Linux	8.10
Canonical	Ubuntu Linux	9.04

References

http://secunia.com/advisories/35539Third Party Advisory
http://secunia.com/advisories/35573Third Party Advisory
http://secunia.com/advisories/35606Third Party Advisory
http://secunia.com/advisories/36918Third Party Advisory
http://wiki.rpath.com/Advisories:rPSA-2009-0145Third Party Advisory
http://www.debian.org/security/2009/dsa-1823Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:196Third Party Advisory
http://www.samba.org/samba/ftp/patches/security/samba-3.0.34-CVE-2009-1888.patchExploit, Patch, Vendor Advisory
http://www.samba.org/samba/ftp/patches/security/samba-3.2.12-CVE-2009-1888.patchPatch, Vendor Advisory
http://www.samba.org/samba/ftp/patches/security/samba-3.3.5-CVE-2009-1888.patchPatch, Vendor Advisory
http://www.samba.org/samba/security/CVE-2009-1888.htmlPatch, Vendor Advisory
http://www.securityfocus.com/archive/1/507856/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/35472Exploit, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022442Third Party Advisory, VDB Entry
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.521591Third Party Advisory
http://www.ubuntu.com/usn/USN-839-1Third Party Advisory
http://www.vupen.com/english/advisories/2009/1664Permissions Required, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/51327Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10790Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7292Third Party Advisory
http://secunia.com/advisories/35539Third Party Advisory
http://secunia.com/advisories/35573Third Party Advisory
http://secunia.com/advisories/35606Third Party Advisory
http://secunia.com/advisories/36918Third Party Advisory
http://wiki.rpath.com/Advisories:rPSA-2009-0145Third Party Advisory
http://www.debian.org/security/2009/dsa-1823Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:196Third Party Advisory
http://www.samba.org/samba/ftp/patches/security/samba-3.0.34-CVE-2009-1888.patchExploit, Patch, Vendor Advisory
http://www.samba.org/samba/ftp/patches/security/samba-3.2.12-CVE-2009-1888.patchPatch, Vendor Advisory
http://www.samba.org/samba/ftp/patches/security/samba-3.3.5-CVE-2009-1888.patchPatch, Vendor Advisory
http://www.samba.org/samba/security/CVE-2009-1888.htmlPatch, Vendor Advisory
http://www.securityfocus.com/archive/1/507856/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/35472Exploit, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1022442Third Party Advisory, VDB Entry
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.521591Third Party Advisory
http://www.ubuntu.com/usn/USN-839-1Third Party Advisory
http://www.vupen.com/english/advisories/2009/1664Permissions Required, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/51327Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10790Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7292Third Party Advisory

Timeline

Published: Jun 25, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-1888?

How severe is CVE-2009-1888?

Severity scoring for CVE-2009-1888 is pending analysis. The EPSS model estimates a 4.61% probability of exploitation in the next 30 days.

How do I fix CVE-2009-1888?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-1888?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST