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TI-2007-04006 Aliases CVE-2007-4138GHSA-74rm-gxr2-j77h

The Winbind nss_info extension (nsswitch/idmap_ad.c) in idmap_ad.so in Samba 3.0.25…

Priority LOW 32CWE-264Published · Updated

Key facts

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

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

Summary

The Winbind nss_info extension (nsswitch/idmap_ad.c) in idmap_ad.so in Samba 3.0.25 through 3.0.25c, when the "winbind nss info" option is set to rfc2307 or sfu, grants all local users the privileges of gid 0 when the (1) RFC2307 or (2) Services for UNIX (SFU) primary group attribute is not defined.

Why it matters now

EPSS 0.00724 54th percentileScored 2026-11-07
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 · 4

CPEVersionsRoleVendor
cpe:2.3:a:samba:samba:3.0.25:*:*:*:*:*:*:*3.0.25VulnerableSamba
cpe:2.3:a:samba:samba:3.0.25a:*:*:*:*:*:*:*3.0.25aVulnerableSamba
cpe:2.3:a:samba:samba:3.0.25b:*:*:*:*:*:*:*3.0.25bVulnerableSamba
cpe:2.3:a:samba:samba:3.0.25c:*:*:*:*:*:*:*3.0.25cVulnerableSamba
  • cpe:2.3:a:samba:samba:3.0.25:*:*:*:*:*:*:* Versions 3.0.25 Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:3.0.25a:*:*:*:*:*:*:* Versions 3.0.25a Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:3.0.25b:*:*:*:*:*:*:* Versions 3.0.25b Vulnerable ·Samba
  • cpe:2.3:a:samba:samba:3.0.25c:*:*:*:*:*:*:* Versions 3.0.25c Vulnerable ·Samba

Remediation

Red Hat 2 advisories

  • RHSA-2007:1017 Released 2007-11-15 · Red Hat rating Critical
    samba security update
    • Red Hat Enterprise Linux (v. 5 server) samba-3.0.25b-1.el5_1.2, samba-3.0.25b-1.el5_1.2.i386, samba-3.0.25b-1.el5_1.2.ia64 +13
    • Red Hat Enterprise Linux Desktop (v. 5 client) samba-3.0.25b-1.el5_1.2, samba-3.0.25b-1.el5_1.2.i386, samba-client-3.0.25b-1.el5_1.2 +5
  • RHSA-2007:1016 Released 2007-11-15 · Red Hat rating Critical
    samba security update
    • Red Hat Enterprise Linux AS version 4 samba-3.0.25b-1.el4_6.2, samba-3.0.25b-1.el4_6.2.i386, samba-3.0.25b-1.el4_6.2.ia64 +13
    • Red Hat Enterprise Linux Desktop version 4 samba-3.0.25b-1.el4_6.2, samba-3.0.25b-1.el4_6.2.i386, samba-client-3.0.25b-1.el4_6.2 +5
    • Red Hat Enterprise Linux ES version 4 samba-3.0.25b-1.el4_6.2, samba-3.0.25b-1.el4_6.2.i386, samba-3.0.25b-1.el4_6.2.ia64 +9
    • Red Hat Enterprise Linux WS version 4 samba-3.0.25b-1.el4_6.2, samba-3.0.25b-1.el4_6.2.i386, samba-3.0.25b-1.el4_6.2.ia64 +9

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2007:1017
Red Hat Enterprise Linux AS version 4Fixed RHSA-2007:1016
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2007:1017
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2007:1016
Red Hat Enterprise Linux ES version 4Fixed RHSA-2007:1016
Red Hat Enterprise Linux WS version 4Fixed RHSA-2007:1016

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-4138
  2. 2026-10-03 Alias added: GHSA-74rm-gxr2-j77h

References

Advisory 6

Other 5

  • TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2017-05139 Code injection in samba KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-00210 The Netlogon server implementation in smbd in Samba 3.5.x and 3.6.x before 3.6.25, 4.0.x… CVSS 2.0HIGH 10.0
  • TI-2003-00081 Buffer overflow in the SMB/CIFS packet fragment re-assembly code for SMB daemon (smbd) in… CVSS 2.0HIGH 10.0
  • TI-2003-00185 Buffer overflow in the call_trans2open function in trans2.c for Samba 2.2.x before… CVSS 2.0HIGH 10.0
  • TI-2007-02362 Multiple heap-based buffer overflows in the NDR parsing in smbd in Samba 3.0.0 through… CVSS 2.0HIGH 10.0
See all 215 →

Sources

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