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Last updated: 11/26/2015 11:15:02 AM

CVE Publication rate: 14.77

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Vulnerability Workload Index: 7.17
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Vulnerability Summary for CVE-2009-1888

Original release date: 06/24/2009
Last revised: 08/21/2010


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.8 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:P/A:N) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification

Vendor Statements (disclaimer)

Official Statement from Red Hat (10/27/2009)
This issue did not affect Red Hat Enterprise Linux 3. It was addressed in Red Hat Enterprise Linux 4 and 5 via RHSA-2009:1529: https://rhn.redhat.com/errata/RHSA-2009-1529.html

References to Advisories, Solutions, and Tools

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External Source: XF
Name: samba-acl-security-bypass(51327)
External Source: UBUNTU
Name: USN-839-1
External Source: CONFIRM
Name: http://www.samba.org/samba/ftp/patches/security/samba-3.0.34-CVE-2009-1888.patch
Type: Patch Information; Exploit
External Source: MANDRIVA
Name: MDVSA-2009:196
External Source: SLACKWARE
Name: SSA:2009-177-01
External Source: OVAL
Name: oval:org.mitre.oval:def:10790
External Source: CONFIRM
Name: http://www.samba.org/samba/security/CVE-2009-1888.html
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://www.samba.org/samba/ftp/patches/security/samba-3.3.5-CVE-2009-1888.patch
Type: Patch Information
External Source: CONFIRM
Name: http://wiki.rpath.com/Advisories:rPSA-2009-0145
External Source: OVAL
Name: oval:org.mitre.oval:def:7292
External Source: SECTRACK
Name: 1022442
External Source: BID
Name: 35472
External Source: DEBIAN
Name: DSA-1823
External Source: CONFIRM
Name: http://www.samba.org/samba/ftp/patches/security/samba-3.2.12-CVE-2009-1888.patch
Type: Patch Information
External Source: VUPEN
Name: ADV-2009-1664
Type: Advisory; Patch Information
External Source: BUGTRAQ
Name: 20091112 rPSA-2009-0145-1 samba samba-client samba-server samba-swat

References to Check Content

Identifier: oval:org.mitre.oval:def:10790
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5
Identifier: oval:org.mitre.oval:def:7292
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:samba:samba:3.0.0
* cpe:/a:samba:samba:3.0.1
* cpe:/a:samba:samba:3.0.10
* cpe:/a:samba:samba:3.0.11
* cpe:/a:samba:samba:3.0.12
* cpe:/a:samba:samba:3.0.13
* cpe:/a:samba:samba:3.0.14
* cpe:/a:samba:samba:3.0.14a
* cpe:/a:samba:samba:3.0.15
* cpe:/a:samba:samba:3.0.16
* cpe:/a:samba:samba:3.0.18
* cpe:/a:samba:samba:3.0.17
* cpe:/a:samba:samba:3.0.2
* cpe:/a:samba:samba:3.0.19
* cpe:/a:samba:samba:3.0.20
* cpe:/a:samba:samba:3.0.20a
* cpe:/a:samba:samba:3.0.20b
* cpe:/a:samba:samba:3.0.21
* cpe:/a:samba:samba:3.0.21a
* cpe:/a:samba:samba:3.0.23
* cpe:/a:samba:samba:3.0.23a
* cpe:/a:samba:samba:3.0.23b
* cpe:/a:samba:samba:3.0.23c
* cpe:/a:samba:samba:3.0.23d
* cpe:/a:samba:samba:3.0.24
* cpe:/a:samba:samba:3.0.25
* cpe:/a:samba:samba:3.0.21b
* cpe:/a:samba:samba:3.0.21c
* cpe:/a:samba:samba:3.0.22
* cpe:/a:samba:samba:3.0.25:pre1
* cpe:/a:samba:samba:3.0.26a
* cpe:/a:samba:samba:3.0.25:pre2
* cpe:/a:samba:samba:3.0.26
* cpe:/a:samba:samba:3.0.25:rc3
* cpe:/a:samba:samba:3.0.25:rc2
* cpe:/a:samba:samba:3.0.25:rc1
* cpe:/a:samba:samba:3.0.25a
* cpe:/a:samba:samba:3.0.25b
* cpe:/a:samba:samba:3.0.25c
* cpe:/a:samba:samba:3.0.29
* cpe:/a:samba:samba:3.0.28a
* cpe:/a:samba:samba:3.0.32
* cpe:/a:samba:samba:3.0.30
* cpe:/a:samba:samba:3.0.2a
* cpe:/a:samba:samba:3.0.33
* cpe:/a:samba:samba:3.0.27
* cpe:/a:samba:samba:3.0.4
* cpe:/a:samba:samba:3.0.3
* cpe:/a:samba:samba:3.0.9
* cpe:/a:samba:samba:3.0.8
* cpe:/a:samba:samba:3.0.7
* cpe:/a:samba:samba:3.0.6
* cpe:/a:samba:samba:3.0.5
* cpe:/a:samba:samba:3.0.4:rc1
* cpe:/a:samba:samba:3.0.31
* cpe:/a:samba:samba:3.0.34 and previous versions
* cpe:/a:samba:samba:3.2.4
* cpe:/a:samba:samba:3.2.3
* cpe:/a:samba:samba:3.2.2
* cpe:/a:samba:samba:3.2.1
* cpe:/a:samba:samba:3.2.10
* cpe:/a:samba:samba:3.2.11
* cpe:/a:samba:samba:3.2.0
* cpe:/a:samba:samba:3.2.5
* cpe:/a:samba:samba:3.2.6
* cpe:/a:samba:samba:3.2.7
* cpe:/a:samba:samba:3.2.8
* cpe:/a:samba:samba:3.2.9
* cpe:/a:samba:samba:3.2.12
* cpe:/a:samba:samba:3.3.1
* cpe:/a:samba:samba:3.3.2
* cpe:/a:samba:samba:3.3.3
* cpe:/a:samba:samba:3.3.4
* cpe:/a:samba:samba:3.1
* cpe:/a:samba:samba:3.2
* cpe:/a:samba:samba:3.3
* cpe:/a:samba:samba:3.3.5 and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)