CVE-2016-2112

Severity

43%

Complexity

86%

Confidentiality

48%

The bundled LDAP client library in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the "client ldap sasl wrapping" setting, which allows man-in-the-middle attackers to perform LDAP protocol-downgrade attacks by modifying the client-server data stream.

The bundled LDAP client library in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the "client ldap sasl wrapping" setting, which allows man-in-the-middle attackers to perform LDAP protocol-downgrade attacks by modifying the client-server data stream.

CVSS 3.0 Base Score 5.9. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N).

Overview

First reported 8 years ago

2016-04-25 00:59:00

Last updated 8 years ago

2016-12-31 02:59:00

Affected Software

Samba 3.0.0

3.0.0

Samba 3.0.1

3.0.1

Samba 3.0.2

3.0.2

Samba 3.0.2a

3.0.2

Samba 3.0.2a

3.0.2a

Samba 3.0.3

3.0.3

Samba 3.0.4

3.0.4

Samba 3.0.4 release candidate 1

3.0.4

Samba 3.0.5

3.0.5

Samba 3.0.6

3.0.6

Samba 3.0.7

3.0.7

Samba 3.0.8

3.0.8

Samba 3.0.9

3.0.9

Samba 3.0.10

3.0.10

Samba 3.0.11

3.0.11

Samba 3.0.12

3.0.12

Samba 3.0.13

3.0.13

Samba 3.0.14

3.0.14

Samba 3.0.14a

3.0.14

Samba 3.0.14a

3.0.14a

Samba 3.0.15

3.0.15

Samba 3.0.16

3.0.16

Samba 3.0.17

3.0.17

Samba 3.0.18

3.0.18

Samba 3.0.19

3.0.19

Samba 3.0.20

3.0.20

Samba 3.0.20a

3.0.20

Samba 3.0.20b

3.0.20

Samba 3.0.20a

3.0.20a

Samba 3.0.20b

3.0.20b

Samba 3.0.21

3.0.21

Samba 3.0.21a

3.0.21

Samba 3.0.21b

3.0.21

Samba 3.0.21c

3.0.21

Samba 3.0.21a

3.0.21a

Samba 3.0.21b

3.0.21b

Samba 3.0.21c

3.0.21c

Samba 3.0.22

3.0.22

Samba 3.0.23

3.0.23

Samba 3.0.23a

3.0.23

Samba 3.0.23b

3.0.23

Samba 3.0.23c

3.0.23

Samba 3.0.23d

3.0.23

Samba 3.0.23a

3.0.23a

Samba 3.0.23b

3.0.23b

Samba 3.0.23c

3.0.23c

Samba 3.0.23d

3.0.23d

Samba 3.0.24

3.0.24

Samba 3.0.25

3.0.25

Samba 3.0.25a

3.0.25

Samba 3.0.25b

3.0.25

Samba 3.0.25c

3.0.25

Samba 3.0.25 pre1

3.0.25

Samba 3.0.25 pre2

3.0.25

Samba 3.0.25 release candidate 1

3.0.25

Samba 3.0.25 release candiate 2

3.0.25

Samba 3.0.25 release candidate 3

3.0.25

Samba 3.0.25a

3.0.25a

Samba 3.0.25b

3.0.25b

Samba 3.0.25c

3.0.25c

Samba 3.0.26

3.0.26

Samba 3.0.26a

3.0.26

Samba 3.0.26a

3.0.26a

Samba 3.0.27

3.0.27

Samba 3.0.27a

3.0.27

Samba 3.0.28

3.0.28

Samba 3.0.28a

3.0.28

Samba 3.0.29

3.0.29

Samba 3.0.30

3.0.30

Samba 3.0.31

3.0.31

Samba 3.0.32

3.0.32

Samba 3.0.33

3.0.33

Samba 3.0.34

3.0.34

Samba 3.0.35

3.0.35

Samba 3.0.36

3.0.36

Samba 3.0.37

3.0.37

Samba 3.2.0

3.2.0

Samba 3.2.1

3.2.1

Samba 3.2.2

3.2.2

Samba 3.2.3

3.2.3

Samba 3.2.4

3.2.4

Samba 3.2.5

3.2.5

Samba 3.2.6

3.2.6

Samba 3.2.7

3.2.7

Samba 3.2.8

3.2.8

Samba 3.2.9

3.2.9

Samba 3.2.10

3.2.10

Samba 3.2.11

3.2.11

Samba 3.2.12

3.2.12

Samba 3.2.13

3.2.13

Samba 3.2.14

3.2.14

Samba 3.2.15

3.2.15

Samba 3.3.0

3.3.0

Samba 3.3.1

3.3.1

Samba 3.3.2

3.3.2

Samba 3.3.3

3.3.3

Samba 3.3.4

3.3.4

Samba 3.3.5

3.3.5

Samba 3.3.6

3.3.6

Samba 3.3.7

3.3.7

Samba 3.3.8

3.3.8

Samba 3.3.9

3.3.9

Samba 3.3.10

3.3.10

Samba 3.3.11

3.3.11

Samba 3.3.12

3.3.12

Samba 3.3.13

3.3.13

Samba 3.3.14

3.3.14

Samba 3.3.15

3.3.15

Samba 3.3.16

3.3.16

Samba 3.4.0

3.4.0

Samba 3.4.1

3.4.1

Samba 3.4.2

3.4.2

Samba 3.4.3

3.4.3

Samba 3.4.4

3.4.4

Samba 3.4.5

3.4.5

Samba 3.4.6

3.4.6

Samba 3.4.7

3.4.7

Samba 3.4.8

3.4.8

Samba 3.4.9

3.4.9

Samba 3.4.10

3.4.10

Samba 3.4.11

3.4.11

Samba 3.4.12

3.4.12

Samba 3.4.13

3.4.13

Samba 3.4.14

3.4.14

Samba 3.4.15

3.4.15

Samba 3.4.16

3.4.16

Samba 3.4.17

3.4.17

Samba 3.5.0

3.5.0

Samba 3.5.1

3.5.1

Samba 3.5.2

3.5.2

Samba 3.5.3

3.5.3

Samba 3.5.4

3.5.4

Samba 3.5.5

3.5.5

Samba 3.5.6

3.5.6

Samba 3.5.7

3.5.7

Samba 3.5.8

3.5.8

Samba 3.5.9

3.5.9

Samba 3.5.10

3.5.10

Samba 3.5.11

3.5.11

Samba 3.5.12

3.5.12

Samba 3.5.13

3.5.13

Samba 3.5.14

3.5.14

Samba 3.5.15

3.5.15

Samba 3.5.16

3.5.16

Samba 3.5.17

3.5.17

Samba 3.5.18

3.5.18

Samba 3.5.19

3.5.19

Samba 3.5.20

3.5.20

Samba 3.5.21

3.5.21

Samba 3.5.22

3.5.22

Samba 3.6.0

3.6.0

Samba 3.6.1

3.6.1

Samba 3.6.2

3.6.2

Samba 3.6.3

3.6.3

Samba 3.6.4

3.6.4

Samba 3.6.5

3.6.5

Samba 3.6.6

3.6.6

Samba 3.6.7

3.6.7

Samba 3.6.8

3.6.8

Samba 3.6.9

3.6.9

Samba 3.6.10

3.6.10

Samba 3.6.11

3.6.11

Samba 3.6.12

3.6.12

Samba 3.6.13

3.6.13

Samba 3.6.14

3.6.14

Samba 3.6.15

3.6.15

Samba 3.6.16

3.6.16

Samba 3.6.17

3.6.17

Samba 3.6.18

3.6.18

Samba 3.6.19

3.6.19

Samba 3.6.20

3.6.20

Samba 3.6.21

3.6.21

Samba 3.6.22

3.6.22

Samba 3.6.23

3.6.23

Samba 3.6.24

3.6.24

Samba 3.6.25

3.6.25

Samba 4.0.0

4.0.0

Samba 4.0.1

4.0.1

Samba 4.0.2

4.0.2

Samba 4.0.3

4.0.3

Samba 4.0.4

4.0.4

Samba 4.0.5

4.0.5

Samba 4.0.6

4.0.6

Samba 4.0.7

4.0.7

Samba 4.0.8

4.0.8

Samba 4.0.9

4.0.9

Samba 4.0.10

4.0.10

Samba 4.0.11

4.0.11

Samba 4.0.12

4.0.12

Samba 4.0.13

4.0.13

Samba 4.0.14

4.0.14

Samba 4.0.15

4.0.15

Samba 4.0.16

4.0.16

Samba 4.0.17

4.0.17

Samba 4.0.18

4.0.18

Samba 4.0.19

4.0.19

Samba 4.0.20

4.0.20

Samba 4.0.21

4.0.21

Samba 4.0.22

4.0.22

Samba 4.0.23

4.0.23

Samba 4.0.24

4.0.24

Samba 4.0.25

4.0.25

Samba 4.0.26

4.0.26

Samba 4.1.0

4.1.0

Samba 4.1.1

4.1.1

Samba 4.1.2

4.1.2

Samba 4.1.3

4.1.3

Samba 4.1.4

4.1.4

Samba 4.1.5

4.1.5

Samba 4.1.6

4.1.6

Samba 4.1.7

4.1.7

Samba 4.1.8

4.1.8

Samba 4.1.9

4.1.9

Samba 4.1.10

4.1.10

Samba 4.1.11

4.1.11

Samba 4.1.12

4.1.12

Samba 4.1.13

4.1.13

Samba 4.1.14

4.1.14

Samba 4.1.15

4.1.15

Samba 4.1.16

4.1.16

Samba 4.1.17

4.1.17

Samba 4.1.18

4.1.18

Samba 4.1.19

4.1.19

Samba 4.1.20

4.1.20

Samba 4.1.21

4.1.21

Samba 4.1.22

4.1.22

Samba 4.1.23

4.1.23

Samba 4.2.0 release candidate 1

4.2.0

Samba 4.2.0 release candidate 2

4.2.0

Samba 4.2.0 release candidate 3

4.2.0

Samba 4.2.0 release candidate 4

4.2.0

Samba 4.2.1

4.2.1

Samba 4.2.2

4.2.2

Samba 4.2.3

4.2.3

Samba 4.2.4

4.2.4

Samba 4.2.5

4.2.5

Samba 4.2.6

4.2.6

Samba 4.2.7

4.2.7

Samba 4.2.8

4.2.8

Samba 4.2.9

4.2.9

Samba 4.3.0

4.3.0

Samba 4.3.1

4.3.1

Samba 4.3.2

4.3.2

Samba 4.3.3

4.3.3

Samba 4.3.4

4.3.4

Samba 4.3.5

4.3.5

Samba 4.3.6

4.3.6

Samba 4.4.0

4.4.0

Canonical Ubuntu Linux 14.04 LTS (Long-Term Support)

14.04

Canonical Ubuntu Linux 15.10

15.10

Canonical Ubuntu Linux 16.04 LTS (Long-Term Support)

16.04

References

http://badlock.org/

FEDORA-2016-be53260726

FEDORA-2016-48b3761baa

FEDORA-2016-383fce04e2

SUSE-SU-2016:1022

SUSE-SU-2016:1023

SUSE-SU-2016:1024

openSUSE-SU-2016:1025

SUSE-SU-2016:1028

openSUSE-SU-2016:1064

openSUSE-SU-2016:1106

openSUSE-SU-2016:1107

RHSA-2016:0611

RHSA-2016:0612

RHSA-2016:0613

RHSA-2016:0614

RHSA-2016:0618

RHSA-2016:0619

RHSA-2016:0620

RHSA-2016:0624

DSA-3548

http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

1035533

SSA:2016-106-02

USN-2950-1

USN-2950-2

USN-2950-3

USN-2950-4

USN-2950-5

https://bto.bluecoat.com/security-advisory/sa122

https://h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05087821

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05082964

https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05162399

GLSA-201612-47

https://www.samba.org/samba/history/samba-4.2.10.html

https://www.samba.org/samba/latest_news.html#4.4.2

https://www.samba.org/samba/security/CVE-2016-2112.html

Patch, Vendor Advisory

Stay updated

ExploitPedia is constantly evolving. Sign up to receive a notification when we release additional functionality.

Get in touch

If you'd like to report a bug or have any suggestions for improvements then please do get in touch with us using this form. We will get back to you as soon as we can.