CVE-2015-7560

MEDIUM

Samba <4.1.23, <4.2.9, <4.3.6, <4.4.0rc4 - Privilege Escalation

Title source: llm

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.

References (19)

[Mailing List, Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178730.html

[Mailing List, Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178764.html

[Mailing List, Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2016-March/180000.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00063.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00064.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00065.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00081.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00090.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00092.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3514

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/84267

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1035220

[Third Party Advisory] http://www.ubuntu.com/usn/USN-2922-1

[Issue Tracking, Vendor Advisory] https://bugzilla.samba.org/show_bug.cgi?id=11648

[Third Party Advisory] https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05121842

[Vendor Advisory] https://www.samba.org/samba/security/CVE-2015-7560.html

Scores

CVSS v3 6.5

EPSS 0.0369

EPSS Percentile 87.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Classification

CWE

CWE-284

Status draft

Affected Products (9)

samba/samba < 4.1.23

samba/samba

samba/samba

samba/samba

canonical/ubuntu_linux

canonical/ubuntu_linux

canonical/ubuntu_linux

debian/debian_linux

debian/debian_linux

Timeline

Published Mar 13, 2016

Tracked Since Feb 18, 2026