Skip to content
Fencer Vulns
medium 5.8

CVE-2009-1888 json

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…

published 2009-06-24 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1883

cvss
5.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.6%
EPSS 4.6% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

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.

Patch / fix

  • samba samba 3.2.13, 3.3.6
  • samba Debian 14, Debian 13, Debian 12 2:3.3.6-1

debian advisories DEBIAN-CVE-2009-1888

  • samba3x RHEL 5 EXTRAS 3.3.8-0.46.el5
  • libtdb RHEL 5 EXTRAS 1.1.2-46.el5
  • libtalloc RHEL 5 EXTRAS 1.2.0-46.el5
  • tdb-tools RHEL 5 EXTRAS 1.1.2-46.el5
  • libsmbclient RHEL 5 EXTRAS 3.0.34-46.el5
  • samba3x-swat RHEL 5 EXTRAS 3.3.8-0.46.el5
  • samba3x-client RHEL 5 EXTRAS 3.3.8-0.46.el5
  • samba3x-common RHEL 5 EXTRAS 3.3.8-0.46.el5

red hat advisories RHSA-2009:1585RHSA-2009:1529

  • samba openSUSE Tumbleweed 4.5.0-1.1
  • cifs-utils openSUSE Tumbleweed 6.5-1.5

opensuse advisories openSUSE-SU-2024:10069-1openSUSE-SU-2024:10334-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-1888 updated cvss 1.4

Samba improper file access

  • Red Hat Enterprise Linux (v. 5 server) samba 3.0.33-3.15.el5_4, samba-swat 3.0.33-3.15.el5_4, samba-client 3.0.33-3.15.el5_4, samba-common 3.0.33-3.15.el5_4 Red Hat Enterprise Linux AS version 4 samba 3.0.33-0.18.el4_8, samba-swat 3.0.33-0.18.el4_8, samba-client 3.0.33-0.18.el4_8, samba-common 3.0.33-0.18.el4_8 Red Hat Enterprise Linux Desktop (v. 5 client) samba 3.0.33-3.15.el5_4, samba-swat 3.0.33-3.15.el5_4, samba-client 3.0.33-3.15.el5_4, samba-common 3.0.33-3.15.el5_4
    fixed: vendor fix RHSA-2009:1529
  • Red Hat Enterprise Linux Desktop Supplementary (v. 5) libtdb 1.1.2-46.el5, libtalloc 1.2.0-46.el5, samba3x 3.3.8-0.46.el5, tdb-tools 1.1.2-46.el5, libsmbclient 3.0.34-46.el5, samba3x-swat 3.3.8-0.46.el5, +4 more
    fixed: vendor fix RHSA-2009:1585
  • Red Hat Enterprise Linux Desktop version 4 samba 3.0.33-0.18.el4_8, samba-swat 3.0.33-0.18.el4_8, samba-client 3.0.33-0.18.el4_8, samba-common 3.0.33-0.18.el4_8 Red Hat Enterprise Linux ES version 4 samba 3.0.33-0.18.el4_8, samba-swat 3.0.33-0.18.el4_8, samba-client 3.0.33-0.18.el4_8, samba-common 3.0.33-0.18.el4_8
    fixed: vendor fix RHSA-2009:1529
  • Red Hat Enterprise Linux Server Supplementary (v. 5) libtdb 1.1.2-46.el5, libtalloc 1.2.0-46.el5, samba3x 3.3.8-0.46.el5, tdb-tools 1.1.2-46.el5, libsmbclient 3.0.34-46.el5, samba3x-swat 3.3.8-0.46.el5, +4 more
    fixed: vendor fix RHSA-2009:1585
  • Red Hat Enterprise Linux WS version 4 samba 3.0.33-0.18.el4_8, samba-swat 3.0.33-0.18.el4_8, samba-client 3.0.33-0.18.el4_8, samba-common 3.0.33-0.18.el4_8
    fixed: vendor fix RHSA-2009:1529

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.61% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • samba.org http://www.samba.org/samba/ftp/patches/security/samba-3.0.34-CVE-2009-1888.patch referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/35472 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.