CVE-2015-5252

2015-12-1600:00:00

ubuntu.com

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.013 Low

EPSS

Percentile

85.5%

JSON

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.

Bugs

Notes

Author	Note
mdeslaur	says 3.0.0 to 4.3.2 3.6 patch in upstream bug original patch introduced a regression, see usn-2855-2

OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchsamba< 2:3.6.3-2ubuntu2.13UNKNOWN
ubuntu14.04noarchsamba< 2:4.1.6+dfsg-1ubuntu2.14.04.11UNKNOWN
ubuntu15.04noarchsamba< 2:4.1.13+dfsg-4ubuntu3.1UNKNOWN
ubuntu15.10noarchsamba< 2:4.1.17+dfsg-4ubuntu3.1UNKNOWN
ubuntu16.04noarchsamba< 2:4.3.3+dfsg-1ubuntu1UNKNOWN
ubuntu16.10noarchsamba< 2:4.3.3+dfsg-1ubuntu1UNKNOWN
ubuntu17.04noarchsamba< 2:4.3.3+dfsg-1ubuntu1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	12.04	noarch	samba	< 2:3.6.3-2ubuntu2.13	UNKNOWN
ubuntu	14.04	noarch	samba	< 2:4.1.6+dfsg-1ubuntu2.14.04.11	UNKNOWN
ubuntu	15.04	noarch	samba	< 2:4.1.13+dfsg-4ubuntu3.1	UNKNOWN
ubuntu	15.10	noarch	samba	< 2:4.1.17+dfsg-4ubuntu3.1	UNKNOWN
ubuntu	16.04	noarch	samba	< 2:4.3.3+dfsg-1ubuntu1	UNKNOWN
ubuntu	16.10	noarch	samba	< 2:4.3.3+dfsg-1ubuntu1	UNKNOWN
ubuntu	17.04	noarch	samba	< 2:4.3.3+dfsg-1ubuntu1	UNKNOWN