Vulnerability Monitor

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CVE-2015-5252

vfs.c in smbd in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, when share names with certain substring relationships exist, allows remote attackers to bypass intended file-access restrictions via a symlink that points outside of a share.

Published

2015-12-29T22:59:01.263

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.2 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	samba	samba	< 4.1.22	Yes
Application	samba	samba	< 4.2.7	Yes
Application	samba	samba	< 4.3.3	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	15.04	Yes
Operating System	canonical	ubuntu_linux	15.10	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html Mailing List, Third Party Advisory ([email protected])
http://www.debian.org/security/2016/dsa-3433 Third Party Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html Third Party Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/79733 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1034493 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2855-1 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2855-2 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1290288 Issue Tracking, Third Party Advisory ([email protected])
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=4278ef25f64d5fdbf432ff1534e275416ec9561e ([email protected])
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993 Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201612-47 Third Party Advisory ([email protected])
https://www.samba.org/samba/security/CVE-2015-5252.html Exploit, Vendor Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174076.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174391.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00019.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00020.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00032.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00033.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00002.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00017.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3433 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/79733 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1034493 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2855-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2855-2 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1290288 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=4278ef25f64d5fdbf432ff1534e275416ec9561e (af854a3a-2127-422b-91ae-364da2661108)
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05115993 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201612-47 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.samba.org/samba/security/CVE-2015-5252.html Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)