Samba improper file access
Published Jun 24, 2009
5.8
MEDIUMCVSS 2.0
EPSS 4.61%
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.
Affected products
No data.
Configuration 1
Configuration 2
- 4.0
- 5.0
Configuration 3
- 6.06
- 8.04
- 8.10
- 9.04
No data.
Red Hat Enterprise Linux 4
samba-0:3.0.33-0.18.el4_8
Fixed · RHSA-2009:1529
Red Hat Enterprise Linux 5
samba-0:3.0.33-3.15.el5_4
Fixed · RHSA-2009:1529
Supplementary for Red Hat Enterprise Linux 5
samba3x-0:3.3.8-0.46.el5
Fixed · RHSA-2009:1585
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | samba-0:3.0.33-0.18.el4_8 | Fixed | RHSA-2009:1529 |
| Red Hat Enterprise Linux 5 | samba-0:3.0.33-3.15.el5_4 | Fixed | RHSA-2009:1529 |
| Supplementary for Red Hat Enterprise Linux 5 | samba3x-0:3.3.8-0.46.el5 | Fixed | RHSA-2009:1585 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect Red Hat Enterprise Linux 3.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 4.61% (0.04606) | 91.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.61% (0.04606) | 90.45th | v5 (v2026.06.15) |
| Jun 7, 2026 | 3.26% (0.03265) | 87.40th | v4 (v2025.03.14) |
| Aug 31, 2025 | 5.82% (0.05822) | 90.18th | v4 (v2025.03.14) |
| May 7, 2025 | 3.75% (0.03748) | 87.37th | v4 (v2025.03.14) |
| May 2, 2025 | 5.00% (0.05003) | 89.17th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.97% (0.03972) | 87.31th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.18% (0.07183) | 85.65th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.30% (0.04301) | 88.12th | v4 (v2025.03.14) |
| Jan 2, 2025 | 17.95% (0.17952) | 96.15th | v3 (v2023.03.01) |
| Dec 17, 2024 | 19.39% (0.19386) | 96.28th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.24% (0.00239) | 62.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00239) | 60.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
References (24)
- http://secunia.com/advisories/35539 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/35573 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/35606 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/36918 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://wiki.rpath.com/Advisories:rPSA-2009-0145 x_refsource_CONFIRMThird Party Advisory
- http://www.debian.org/security/2009/dsa-1823 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:196 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.samba.org/samba/ftp/patches/security/samba-3.0.34-CVE-2009-1888.patch x_refsource_CONFIRMExploitPatchVendor Advisory
- http://www.samba.org/samba/ftp/patches/security/samba-3.2.12-CVE-2009-1888.patch x_refsource_CONFIRMPatchVendor Advisory
- http://www.samba.org/samba/ftp/patches/security/samba-3.3.5-CVE-2009-1888.patch x_refsource_CONFIRMPatchVendor Advisory
- http://www.samba.org/samba/security/CVE-2009-1888.html x_refsource_CONFIRMPatchVendor Advisory
- http://www.securityfocus.com/archive/1/507856/100/0/threaded mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/35472 vdb-entryx_refsource_BIDExploitThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1022442 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.521591 vendor-advisoryx_refsource_SLACKWAREThird Party Advisory
- http://www.ubuntu.com/usn/USN-839-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.vupen.com/english/advisories/2009/1664 vdb-entryx_refsource_VUPENPermissions RequiredThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2009-1888 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=506996 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51327 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2009-1888
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10790 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7292 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2009-1888
Change history (0)
No recorded changes yet.