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TI-2009-01799 Aliases CVE-2009-1888GHSA-mh49-m393-pw96

The acl_group_override function in smbd/posix_acls.c in smbd in Samba 3.0.x before…

Priority LOW 34CWE-264Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Security bypass
Confidentiality · integrity · availability
Partial · Partial · None
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.

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.

Why it matters now

EPSS 0.04606 91st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*3.0.31 – 3.0.35; 3.2.0 to before 3.2.13; 3.3.0 to before 3.3.6VulnerableSamba
cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*4.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*5.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*6.06VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:*8.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*8.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*9.04VulnerableCanonical
  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* Versions 3.0.31 – 3.0.35; 3.2.0 to before 3.2.13; 3.3.0 to before 3.3.6 Vulnerable ·Samba
  • cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* Versions 6.06 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:* Versions 8.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* Versions 8.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* Versions 9.04 Vulnerable ·Canonical

Remediation

Red Hat 2 advisories

  • RHSA-2009:1585 Released 2009-11-16 · Red Hat rating Moderate
    samba3x security and bug fix update
    • Red Hat Enterprise Linux Desktop Supplementary (v. 5) libsmbclient-3.0.34-46.el5, libsmbclient-devel-3.0.34-46.el5, libtalloc-1.2.0-46.el5 +12
    • Red Hat Enterprise Linux Server Supplementary (v. 5) libsmbclient-3.0.34-46.el5, libsmbclient-devel-3.0.34-46.el5, libtalloc-1.2.0-46.el5 +12
  • RHSA-2009:1529 Released 2009-10-27 · Red Hat rating Moderate
    samba security update
    • Red Hat Enterprise Linux (v. 5 server) samba-3.0.33-3.15.el5_4, samba-3.0.33-3.15.el5_4.i386, samba-3.0.33-3.15.el5_4.ia64 +13
    • Red Hat Enterprise Linux AS version 4 samba-3.0.33-0.18.el4_8, samba-3.0.33-0.18.el4_8.i386, samba-3.0.33-0.18.el4_8.ia64 +13
    • Red Hat Enterprise Linux Desktop (v. 5 client) samba-3.0.33-3.15.el5_4, samba-3.0.33-3.15.el5_4.i386, samba-client-3.0.33-3.15.el5_4 +5
    • Red Hat Enterprise Linux Desktop version 4 samba-3.0.33-0.18.el4_8, samba-3.0.33-0.18.el4_8.i386, samba-client-3.0.33-0.18.el4_8 +5
    • Red Hat Enterprise Linux ES version 4 samba-3.0.33-0.18.el4_8, samba-3.0.33-0.18.el4_8.i386, samba-3.0.33-0.18.el4_8.ia64 +9
    • Red Hat Enterprise Linux WS version 4 samba-3.0.33-0.18.el4_8, samba-3.0.33-0.18.el4_8.i386, samba-3.0.33-0.18.el4_8.ia64 +9

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2009:1529
Red Hat Enterprise Linux AS version 4Fixed RHSA-2009:1529
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2009:1529
Red Hat Enterprise Linux Desktop Supplementary (v. 5)Fixed RHSA-2009:1585
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2009:1529
Red Hat Enterprise Linux ES version 4Fixed RHSA-2009:1529
Red Hat Enterprise Linux Server Supplementary (v. 5)Fixed RHSA-2009:1585
Red Hat Enterprise Linux WS version 4Fixed RHSA-2009:1529

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-1888
  2. 2026-10-03 Alias added: GHSA-mh49-m393-pw96

References

Exploit 1

Patch 3

Advisory 8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences