National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2015-8467 Detail

Description

The samldb_check_user_account_control_acl function in dsdb/samdb/ldb_modules/samldb.c in Samba 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 does not properly check for administrative privileges during creation of machine accounts, which allows remote authenticated users to bypass intended access restrictions by leveraging the existence of a domain with both a Samba DC and a Windows DC, a similar issue to CVE-2015-2535.

Source:  MITRE
Description Last Modified:  12/29/2015

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.6


Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.0 MEDIUM
Vector: (AV:N/AC:M/Au:S/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 6.8


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): Single
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html
http://www.debian.org/security/2016/dsa-3433
http://www.securityfocus.com/bid/79735
http://www.securitytracker.com/id/1034493
http://www.ubuntu.com/usn/USN-2855-1
http://www.ubuntu.com/usn/USN-2855-2
https://bugzilla.redhat.com/show_bug.cgi?id=1290294
https://git.samba.org/?p=samba.git;a=commit;h=b000da128b5fb519d2d3f2e7fd20e4a25b7dae7d
https://security.gentoo.org/glsa/201612-47
https://www.samba.org/samba/security/CVE-2015-8467.html Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:samba:samba:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.5:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.6:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.7:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.8:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.9:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.10:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.11:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.12:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.13:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.14:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.15:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.16:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.17:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.18:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.19:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.20:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.21:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.22:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.23:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.24:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.1:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.2:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.3:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.4:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.5:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.6:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.7:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.8:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.9:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.10:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.11:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.12:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.13:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.14:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.15:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.16:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.17:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.18:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.19:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.20:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.21:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.4:*:*:*:*:*:*:*

Denotes Vulnerable Software
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Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-8467
NVD Published Date:
12/29/2015
NVD Last Modified:
12/30/2016