CVE-2015-7560 Information

Description

The SMB1 implementation in smbd in Samba 3.x and 4.x before 4.1.23 4.2.x before 4.2.9 4.3.x before 4.3.6 and 4.4.x before 4.4.0rc4 allows remote authenticated users to modify arbitrary ACLs by using a UNIX SMB1 call to create a symlink and then using a non-UNIX SMB1 call to write to the ACL content.

CVSS Vector

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

Reference

http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178730.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178764.html http://lists.fedoraproject.org/pipermail/package-announce/2016-March/180000.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00064.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00065.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00081.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00090.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00092.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html http://www.debian.org/security/2016/dsa-3514 http://www.securityfocus.com/bid/84267 http://www.securitytracker.com/id/1035220 http://www.ubuntu.com/usn/USN-2922-1 https://bugzilla.samba.org/show_bug.cgi?id=11648 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05121842 https://www.samba.org/samba/security/CVE-2015-7560.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.5