The code for writing reg files in Samba before 2.2.8 allows local users to overwrite…
Priority LOW 8Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The code for writing reg files in Samba before 2.2.8 allows local users to overwrite arbitrary files via a race condition involving chown.
Why it matters now
EPSS 0.00512 43rd percentileScored 2026-11-07
Fix Fixed Red Hat: 3 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:samba:samba:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.0.2:*:*:*:*:*:*:* | 2.0.2 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.0.3:*:*:*:*:*:*:* | 2.0.3 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.0.4:*:*:*:*:*:*:* | 2.0.4 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.0.5:*:*:*:*:*:*:* | 2.0.5 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.0.6:*:*:*:*:*:*:* | 2.0.6 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.0.7:*:*:*:*:*:*:* | 2.0.7 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.0.8:*:*:*:*:*:*:* | 2.0.8 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.0.9:*:*:*:*:*:*:* | 2.0.9 | Vulnerable | Samba |
- cpe:2.3:a:samba:samba:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.0.3:*:*:*:*:*:*:* Versions 2.0.3 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.0.4:*:*:*:*:*:*:* Versions 2.0.4 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.0.5:*:*:*:*:*:*:* Versions 2.0.5 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.0.6:*:*:*:*:*:*:* Versions 2.0.6 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.0.7:*:*:*:*:*:*:* Versions 2.0.7 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.0.8:*:*:*:*:*:*:* Versions 2.0.8 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.0.9:*:*:*:*:*:*:* Versions 2.0.9 Vulnerable ·Samba
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:samba:samba:2.0.10:*:*:*:*:*:*:* | 2.0.10 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.2.0:*:*:*:*:*:*:* | 2.2.0 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.2.0a:*:*:*:*:*:*:* | 2.2.0a | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.2.1a:*:*:*:*:*:*:* | 2.2.1a | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.2.2:*:*:*:*:*:*:* | 2.2.2 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.2.3:*:*:*:*:*:*:* | 2.2.3 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.2.3a:*:*:*:*:*:*:* | 2.2.3a | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.2.4:*:*:*:*:*:*:* | 2.2.4 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.2.5:*:*:*:*:*:*:* | 2.2.5 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.2.6:*:*:*:*:*:*:* | 2.2.6 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.2.7:*:*:*:*:*:*:* | 2.2.7 | Vulnerable | Samba |
| cpe:2.3:a:samba:samba:2.2.7a:*:*:*:*:*:*:* | 2.2.7a | Vulnerable | Samba |
- cpe:2.3:a:samba:samba:2.0.10:*:*:*:*:*:*:* Versions 2.0.10 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.2.0a:*:*:*:*:*:*:* Versions 2.2.0a Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.2.1a:*:*:*:*:*:*:* Versions 2.2.1a Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.2.2:*:*:*:*:*:*:* Versions 2.2.2 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.2.3:*:*:*:*:*:*:* Versions 2.2.3 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.2.3a:*:*:*:*:*:*:* Versions 2.2.3a Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.2.4:*:*:*:*:*:*:* Versions 2.2.4 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.2.5:*:*:*:*:*:*:* Versions 2.2.5 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.2.6:*:*:*:*:*:*:* Versions 2.2.6 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.2.7:*:*:*:*:*:*:* Versions 2.2.7 Vulnerable ·Samba
- cpe:2.3:a:samba:samba:2.2.7a:*:*:*:*:*:*:* Versions 2.2.7a Vulnerable ·Samba
Remediation
Red Hat 3 advisories
- RHSA-2003:226 Released 2003-07-15 · Red Hat rating Critical: : : Updated samba packages fix security vulnerabilities
- Red Hat Linux 7.1
- RHSA-2003:096 Released 2003-03-20 · Red Hat rating Criticalsamba security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Enterprise Linux WS version 2.1
- Red Hat Linux Advanced Workstation 2.1
- RHSA-2003:095 Released 2003-03-18 · Red Hat rating Critical: New samba packages fix security vulnerabilities
- Red Hat Linux 6.2
- Red Hat Linux 7.0
- Red Hat Linux 7.1
- Red Hat Linux 7.2
- Red Hat Linux 7.3
- Red Hat Linux 8.0
- Red Hat Linux 9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2003:096 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2003:096 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2003:096 |
| Red Hat Linux 6.2 | Fixed | RHSA-2003:095 |
| Red Hat Linux 7.0 | Fixed | RHSA-2003:095 |
| Red Hat Linux 7.1 | Fixed | RHSA-2003:095 |
| Red Hat Linux 7.2 | Fixed | RHSA-2003:095 |
| Red Hat Linux 7.3 | Fixed | RHSA-2003:095 |
| Red Hat Linux 8.0 | Fixed | RHSA-2003:095 |
| Red Hat Linux 9 | Fixed | RHSA-2003:095 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2003:096 |
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0086
- 2026-10-03 Alias added: GHSA-rcgr-jhj7-cx8m
References
More Samba vulnerabilities
- 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
Sources
- CVE-2003-0086 · CVE Program
- CVE-2003-0086 · NVD
- FIRST EPSS
- GHSA-rcgr-jhj7-cx8m · GitHub Advisory Database · CC BY 4.0
- CVE-2003-0086 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences