CVE-2015-8467 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

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

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.5