OpenLDAP 'servers/slapd/back-mdb/search.c' Denial of Service Vulnerability

BID:98736

Info

OpenLDAP 'servers/slapd/back-mdb/search.c' Denial of Service Vulnerability

Bugtraq ID: 98736
Class: Unknown
CVE: CVE-2017-9287
Remote: Yes
Local: No
Published: May 29 2017 12:00AM
Updated: Jun 01 2017 05:01PM
Credit: Ryan Tandy
Vulnerable: Ubuntu Ubuntu Linux 17.04
Ubuntu Ubuntu Linux 16.10
Ubuntu Ubuntu Linux 16.04 LTS
Ubuntu Ubuntu Linux 14.04 LTS
OpenLDAP OpenLDAP 2.4.44
OpenLDAP OpenLDAP 2.4.42
OpenLDAP OpenLDAP 2.4.41
OpenLDAP OpenLDAP 2.4.40
OpenLDAP OpenLDAP 2.4.37
OpenLDAP OpenLDAP 2.4.36
OpenLDAP OpenLDAP 2.4.35
OpenLDAP OpenLDAP 2.4.34
OpenLDAP OpenLDAP 2.4.33
OpenLDAP OpenLDAP 2.4.32
OpenLDAP OpenLDAP 2.4.31
OpenLDAP OpenLDAP 2.4.30
OpenLDAP OpenLDAP 2.4.29
OpenLDAP OpenLDAP 2.4.28
OpenLDAP OpenLDAP 2.4.27
OpenLDAP OpenLDAP 2.4.26
OpenLDAP OpenLDAP 2.4.23
OpenLDAP OpenLDAP 2.4.22
OpenLDAP OpenLDAP 2.4.21
OpenLDAP OpenLDAP 2.4.20
OpenLDAP OpenLDAP 2.4.19
OpenLDAP OpenLDAP 2.4.18
OpenLDAP OpenLDAP 2.4.17
OpenLDAP OpenLDAP 2.4.16
OpenLDAP OpenLDAP 2.4.12
OpenLDAP OpenLDAP 2.4.3
OpenLDAP OpenLDAP 2.4.2
OpenLDAP OpenLDAP 2.4.1
OpenLDAP OpenLDAP 2.4
OpenLDAP OpenLDAP 2.3.43
OpenLDAP OpenLDAP 2.3.41
OpenLDAP OpenLDAP 2.3.40
OpenLDAP OpenLDAP 2.3.39
OpenLDAP OpenLDAP 2.3.27
OpenLDAP OpenLDAP 2.3.25
OpenLDAP OpenLDAP 2.3.6
+ S.u.S.E. Linux Personal 9.1 x86_64
 + S.u.S.E. Linux Personal 9.1
+ S.u.S.E. Linux Personal 9.1
OpenLDAP OpenLDAP 2.2.29
OpenLDAP OpenLDAP 2.2.27
OpenLDAP OpenLDAP 2.2.26
+ S.u.S.E. Linux 8.1
+ S.u.S.E. Linux Personal 9.2 x86_64
 + S.u.S.E. Linux Personal 9.2
+ S.u.S.E. Linux Personal 9.1 x86_64
 + S.u.S.E. Linux Personal 9.1
+ S.u.S.E. Linux Personal 9.0
+ S.u.S.E. Linux Personal 8.2
OpenLDAP OpenLDAP 2.2.25
OpenLDAP OpenLDAP 2.2.24
OpenLDAP OpenLDAP 2.2.23
OpenLDAP OpenLDAP 2.2.22
OpenLDAP OpenLDAP 2.2.21
OpenLDAP OpenLDAP 2.2.20
OpenLDAP OpenLDAP 2.2.15
OpenLDAP OpenLDAP 2.2.14
OpenLDAP OpenLDAP 2.2.13
OpenLDAP OpenLDAP 2.2.12
OpenLDAP OpenLDAP 2.2.6
OpenLDAP OpenLDAP 2.2.4
OpenLDAP OpenLDAP 2.1.30
OpenLDAP OpenLDAP 2.1.26
OpenLDAP OpenLDAP 2.1.25
OpenLDAP OpenLDAP 2.1.24
OpenLDAP OpenLDAP 2.1.23
OpenLDAP OpenLDAP 2.1.22
+ S.u.S.E. Linux Personal 9.0 x86_64
 + S.u.S.E. Linux Personal 9.0
+ S.u.S.E. Linux Personal 9.0
OpenLDAP OpenLDAP 2.1.21
OpenLDAP OpenLDAP 2.1.20
OpenLDAP OpenLDAP 2.1.19
OpenLDAP OpenLDAP 2.1.18
OpenLDAP OpenLDAP 2.1.17
OpenLDAP OpenLDAP 2.1.16
OpenLDAP OpenLDAP 2.1.15
OpenLDAP OpenLDAP 2.1.14
OpenLDAP OpenLDAP 2.1.13
OpenLDAP OpenLDAP 2.1.12
OpenLDAP OpenLDAP 2.1.11
OpenLDAP OpenLDAP 2.1.10
OpenLDAP OpenLDAP 2.1.8
OpenLDAP OpenLDAP 2.1.4
+ Conectiva Linux Enterprise Edition 1.0
OpenLDAP OpenLDAP 2.0.27
OpenLDAP OpenLDAP 2.0.26
OpenLDAP OpenLDAP 2.0.25
OpenLDAP OpenLDAP 2.0.24
OpenLDAP OpenLDAP 2.0.23
+ Debian Linux 3.0 sparc
 + Debian Linux 3.0 s/390
 + Debian Linux 3.0 s/390
 + Debian Linux 3.0 ppc
 + Debian Linux 3.0 ppc
 + Debian Linux 3.0 mipsel
 + Debian Linux 3.0 mipsel
 + Debian Linux 3.0 mips
 + Debian Linux 3.0 mips
 + Debian Linux 3.0 m68k
 + Debian Linux 3.0 m68k
 + Debian Linux 3.0 ia-64
 + Debian Linux 3.0 ia-64
 + Debian Linux 3.0 ia-32
 + Debian Linux 3.0 ia-32
 + Debian Linux 3.0 hppa
 + Debian Linux 3.0 hppa
 + Debian Linux 3.0 arm
 + Debian Linux 3.0 arm
 + Debian Linux 3.0 alpha
 + Debian Linux 3.0 alpha
 + Debian Linux 3.0
+ Debian Linux 3.0
+ Redhat Linux 7.3 i386
 + Redhat Linux 7.3 i386
 + Redhat Linux 7.3
+ Redhat Linux 7.3
+ S.u.S.E. Linux 8.0
+ S.u.S.E. Linux 8.0
OpenLDAP OpenLDAP 2.0.22
OpenLDAP OpenLDAP 2.0.21
OpenLDAP OpenLDAP 2.0.20
OpenLDAP OpenLDAP 2.0.19
OpenLDAP OpenLDAP 2.0.18
OpenLDAP OpenLDAP 2.0.17
OpenLDAP OpenLDAP 2.0.16
OpenLDAP OpenLDAP 2.0.15
OpenLDAP OpenLDAP 2.0.14
+ Mandriva Linux Mandrake 8.1 ia64
 + Mandriva Linux Mandrake 8.1
+ Mandriva Linux Mandrake 8.1
+ Mandriva Linux Mandrake 8.0 ppc
 + Mandriva Linux Mandrake 8.0
OpenLDAP OpenLDAP 2.0.13
OpenLDAP OpenLDAP 2.0.12
+ S.u.S.E. Linux 7.3 sparc
 + S.u.S.E. Linux 7.3 sparc
 + S.u.S.E. Linux 7.3 ppc
 + S.u.S.E. Linux 7.3
+ S.u.S.E. Linux 7.3
OpenLDAP OpenLDAP 2.0.11
+ Caldera OpenLinux Server 3.1.1
+ Caldera OpenLinux Server 3.1.1
+ Caldera OpenLinux Workstation 3.1.1
+ HP Secure OS software for Linux 1.0
+ HP Secure OS software for Linux 1.0
+ Redhat Linux 7.2 ia64
 + Redhat Linux 7.2 ia64
 + Redhat Linux 7.2 i386
 + Redhat Linux 7.2 i386
 + Redhat Linux 7.2 alpha
 + Redhat Linux 7.2 alpha
 + Redhat Linux 7.2
+ Redhat Linux 7.2
+ Redhat Linux 7.1 ia64
 + Redhat Linux 7.1 i386
 + Redhat Linux 7.1
+ S.u.S.E. Linux 7.2
+ S.u.S.E. Linux 7.2
+ S.u.S.E. Linux 7.1 sparc
 + S.u.S.E. Linux 7.1 sparc
 + S.u.S.E. Linux 7.1 ppc
 + S.u.S.E. Linux 7.1 ppc
 + S.u.S.E. Linux 7.1 alpha
 + S.u.S.E. Linux 7.1 alpha
 + S.u.S.E. Linux 7.1
+ S.u.S.E. Linux 7.1
OpenLDAP OpenLDAP 2.0.10
OpenLDAP OpenLDAP 2.0.9
OpenLDAP OpenLDAP 2.0.8
OpenLDAP OpenLDAP 2.0.7
OpenLDAP OpenLDAP 2.0.6
OpenLDAP OpenLDAP 2.0.5
OpenLDAP OpenLDAP 2.0.4
OpenLDAP OpenLDAP 2.0.3
OpenLDAP OpenLDAP 2.0.2
OpenLDAP OpenLDAP 2.0.1
OpenLDAP OpenLDAP 1.2.13
OpenLDAP OpenLDAP 1.2.12
OpenLDAP OpenLDAP 1.2.11
OpenLDAP OpenLDAP 1.2.10
OpenLDAP OpenLDAP 1.2.9
OpenLDAP OpenLDAP 1.2.8
OpenLDAP OpenLDAP 1.2.7
OpenLDAP OpenLDAP 1.2.6
OpenLDAP OpenLDAP 1.2.5
OpenLDAP OpenLDAP 1.2.4
OpenLDAP OpenLDAP 1.2.3
OpenLDAP OpenLDAP 1.2.2
OpenLDAP OpenLDAP 1.2.1
OpenLDAP OpenLDAP 1.2
OpenLDAP OpenLDAP 1.1.4
OpenLDAP OpenLDAP 1.1.3
OpenLDAP OpenLDAP 1.1.2
OpenLDAP OpenLDAP 1.1.1
OpenLDAP OpenLDAP 1.0.3
OpenLDAP OpenLDAP 1.0.2
OpenLDAP OpenLDAP 1.0.1
OpenLDAP OpenLDAP 1.0
OpenLDAP OpenLDAP 2.4.9
OpenLDAP OpenLDAP 2.4.8
OpenLDAP OpenLDAP 2.4.7
OpenLDAP OpenLDAP 2.4.6
OpenLDAP OpenLDAP 2.4.39
OpenLDAP OpenLDAP 2.4.38
OpenLDAP OpenLDAP 2.4.25
OpenLDAP OpenLDAP 2.4.24
OpenLDAP OpenLDAP 2.4.15
OpenLDAP OpenLDAP 2.4.14
OpenLDAP OpenLDAP 2.4.13
OpenLDAP OpenLDAP 2.4.11
OpenLDAP OpenLDAP 2.4.10
OpenLDAP OpenLDAP 2.2.9
OpenLDAP OpenLDAP 2.2.8
OpenLDAP OpenLDAP 2.2.7
OpenLDAP OpenLDAP 2.2.5
OpenLDAP OpenLDAP 2.2.19
OpenLDAP OpenLDAP 2.2.18
OpenLDAP OpenLDAP 2.2.17
OpenLDAP OpenLDAP 2.2.16
OpenLDAP OpenLDAP 2.2.11
OpenLDAP OpenLDAP 2.2.10
OpenLDAP OpenLDAP 2.2.1
OpenLDAP OpenLDAP 2.2.0
OpenLDAP OpenLDAP 2.1.9
OpenLDAP OpenLDAP 2.1.7
OpenLDAP OpenLDAP 2.1.6
OpenLDAP OpenLDAP 2.1.5
OpenLDAP OpenLDAP 2.1.3
OpenLDAP OpenLDAP 2.1.29
OpenLDAP OpenLDAP 2.1.28
OpenLDAP OpenLDAP 2.1.27
OpenLDAP OpenLDAP 2.1.2
OpenLDAP OpenLDAP 2.0.11 9
OpenLDAP OpenLDAP 2.0
OpenLDAP OpenLDAP 1.1
Debian Linux 6.0 sparc
Debian Linux 6.0 s/390
Debian Linux 6.0 powerpc
Debian Linux 6.0 mips
Debian Linux 6.0 ia-64
Debian Linux 6.0 ia-32
Debian Linux 6.0 arm
Debian Linux 6.0 amd64
Not Vulnerable: OpenLDAP OpenLDAP 2.4.45

Discussion

OpenLDAP 'servers/slapd/back-mdb/search.c' Denial of Service Vulnerability

OpenLDAP is prone to a denial-of-service vulnerability.

Attackers can exploit this issue to crash the affected application denying service to legitimate users.

OpenLDAP 2.4.44 and prior are vulnerable.

Exploit / POC

OpenLDAP 'servers/slapd/back-mdb/search.c' Denial of Service Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

OpenLDAP 'servers/slapd/back-mdb/search.c' Denial of Service Vulnerability

Solution:
Updates are available. Please see the references or vendor advisory for more information.

References

OpenLDAP 'servers/slapd/back-mdb/search.c' Denial of Service Vulnerability

References:

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