OpenLDAP 'UTF8StringNormalize()' Remote Buffer Overflow Vulnerability

BID:50384

Info

OpenLDAP 'UTF8StringNormalize()' Remote Buffer Overflow Vulnerability

Bugtraq ID: 50384
Class: Design Error
CVE: CVE-2011-4079
Remote: Yes
Local: No
Published: Oct 26 2011 12:00AM
Updated: Jul 02 2014 12:45AM
Credit: Reported by the vendor
Vulnerable: Ubuntu Ubuntu Linux 11.10 i386
Ubuntu Ubuntu Linux 11.10 amd64
Ubuntu Ubuntu Linux 11.04 powerpc
Ubuntu Ubuntu Linux 11.04 i386
Ubuntu Ubuntu Linux 11.04 ARM
Ubuntu Ubuntu Linux 11.04 amd64
Ubuntu Ubuntu Linux 10.10 powerpc
Ubuntu Ubuntu Linux 10.10 i386
Ubuntu Ubuntu Linux 10.10 ARM
Ubuntu Ubuntu Linux 10.10 amd64
Ubuntu Ubuntu Linux 10.04 sparc
Ubuntu Ubuntu Linux 10.04 powerpc
Ubuntu Ubuntu Linux 10.04 i386
Ubuntu Ubuntu Linux 10.04 ARM
Ubuntu Ubuntu Linux 10.04 amd64
OpenLDAP OpenLDAP 2.4.23
OpenLDAP OpenLDAP 2.4.22
OpenLDAP OpenLDAP 2.4.3
OpenLDAP OpenLDAP 2.4.2
OpenLDAP OpenLDAP 2.4.1
OpenLDAP OpenLDAP 2.4
OpenLDAP OpenLDAP 2.3.41
OpenLDAP OpenLDAP 2.3.40
OpenLDAP OpenLDAP 2.3.39
+ Trustix Secure Linux 1.5
+ Trustix Secure Linux 1.2
+ Trustix Secure Linux 1.1
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 2.2.26
+ 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 2.2.15
+ 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 9.2
+ 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 2.2.6
+ 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 2.1.30
+ Ubuntu Ubuntu Linux 5.0 4 powerpc
 + Ubuntu Ubuntu Linux 5.0 4 i386
 + Ubuntu Ubuntu Linux 5.0 4 i386
 + Ubuntu Ubuntu Linux 5.0 4 amd64
 + Ubuntu Ubuntu Linux 5.0 4 amd64
 + Ubuntu Ubuntu Linux 4.1 ppc
 + Ubuntu Ubuntu Linux 4.1 ppc
 + Ubuntu Ubuntu Linux 4.1 ia64
 + Ubuntu Ubuntu Linux 4.1 ia64
 + Ubuntu Ubuntu Linux 4.1 ia32
 + Ubuntu Ubuntu Linux 4.1 ia32
 OpenLDAP OpenLDAP 2.1.25
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
+ Trustix Secure Linux 2.1
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 2.1.19
OpenLDAP OpenLDAP 2.1.18
OpenLDAP OpenLDAP 2.1.17
OpenLDAP OpenLDAP 2.1.16
+ Conectiva Linux 9.0
OpenLDAP OpenLDAP 2.1.15
OpenLDAP OpenLDAP 2.1.14
OpenLDAP OpenLDAP 2.1.13
OpenLDAP OpenLDAP 2.1.12
+ S.u.S.E. Linux Personal 8.2
OpenLDAP OpenLDAP 2.1.11
OpenLDAP OpenLDAP 2.1.10
OpenLDAP OpenLDAP 2.1.4
+ Conectiva Linux Enterprise Edition 1.0
OpenLDAP OpenLDAP 2.1 .20
OpenLDAP OpenLDAP 2.0.27
OpenLDAP OpenLDAP 2.0.25
+ Conectiva Linux 8.0
+ Conectiva Linux 8.0
+ Gentoo Linux 1.4 _rc1
 + Gentoo Linux 1.4 _rc1
 + Gentoo Linux 1.2
+ Gentoo Linux 1.2
+ Mandriva Linux Mandrake 9.0
+ RedHat Linux 8.0 i386
 + RedHat Linux 8.0 i386
 + RedHat Linux 8.0
+ RedHat Linux 8.0
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
+ Conectiva Linux 7.0
+ Conectiva Linux 7.0
+ Conectiva Linux 6.0
+ Conectiva Linux 6.0
+ Mandriva Linux Mandrake 8.2 ppc
 + Mandriva Linux Mandrake 8.2
+ Mandriva Linux Mandrake 8.2
OpenLDAP OpenLDAP 2.0.20
OpenLDAP OpenLDAP 2.0.19
+ Conectiva Linux 7.0
+ Conectiva Linux 6.0
+ Conectiva Linux 6.0
OpenLDAP OpenLDAP 2.0.18
- Conectiva Linux 7.0
- Conectiva Linux 6.0
- Conectiva Linux 6.0
OpenLDAP OpenLDAP 2.0.17
- Conectiva Linux 7.0
- Conectiva Linux 6.0
- Conectiva Linux 6.0
OpenLDAP OpenLDAP 2.0.16
OpenLDAP OpenLDAP 2.0.15
- Conectiva Linux 7.0
- Conectiva Linux 6.0
- Conectiva Linux 6.0
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 -9
+ Caldera OpenLinux Server 3.1.1
+ Caldera OpenLinux Server 3.1.1
+ Caldera OpenLinux Workstation 3.1.1
OpenLDAP OpenLDAP 2.0.11 -11S
- Caldera OpenLinux eBuilder 3.0
- Caldera OpenLinux eBuilder 3.0
- SCO eServer 2.3.1
OpenLDAP OpenLDAP 2.0.11 -11
- Caldera OpenLinux 3.1 -IA64
 - Caldera OpenLinux Server 3.1.1
- Caldera OpenLinux Server 3.1.1
- Caldera OpenLinux Server 3.1
- Caldera OpenLinux Server 3.1
- Caldera OpenLinux Workstation 3.1.1
- Caldera OpenLinux Workstation 3.1.1
- Caldera OpenLinux Workstation 3.1
- Caldera OpenLinux Workstation 3.1
OpenLDAP OpenLDAP 2.0.11
+ Caldera OpenLinux Server 3.1.1
+ Caldera OpenLinux Server 3.1.1
+ Caldera OpenLinux Workstation 3.1.1
+ Conectiva Linux 7.0
+ Conectiva Linux 7.0
+ Conectiva Linux 6.0
+ Conectiva Linux 6.0
+ 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
+ Caldera OpenLinux 3.1 -IA64
 + Caldera OpenLinux eBuilder 3.0
+ Caldera OpenLinux eBuilder 3.0
+ Caldera OpenLinux Server 3.1
+ Caldera OpenLinux Server 3.1
+ Caldera OpenLinux Workstation 3.1
+ Caldera OpenLinux Workstation 3.1
+ HP Secure OS software for Linux 1.0
+ HP Secure OS software for Linux 1.0
+ Mandriva Linux Mandrake 8.0 ppc
 + Mandriva Linux Mandrake 8.0 ppc
 + Mandriva Linux Mandrake 8.0
+ Mandriva Linux Mandrake 8.0
+ RedHat Linux 7.1 ia64
 + RedHat Linux 7.1 ia64
 + RedHat Linux 7.1 i386
 + RedHat Linux 7.1 i386
 + RedHat Linux 7.1 alpha
 + RedHat Linux 7.1 alpha
 + RedHat Linux 7.1
+ RedHat Linux 7.1
+ SCO eServer 2.3.1
+ SCO eServer 2.3.1
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 2.0
- Caldera OpenLinux eBuilder 3.0
- SCO eDesktop 2.4
- SCO eServer 2.3
OpenLDAP OpenLDAP 2.4.24
OpenLDAP OpenLDAP 2.3.28-E1.0.0
OpenLDAP OpenLDAP 2.3.28-20061022
OpenLDAP OpenLDAP 2.3.28-2.20061022
OpenLDAP OpenLDAP 2.3.27-2.20061018
Gentoo Linux
Not Vulnerable:

Discussion

OpenLDAP 'UTF8StringNormalize()' Remote Buffer Overflow Vulnerability

OpenLDAP is prone to a remote buffer-overflow vulnerability because the application fails to perform adequate boundary checks on user-supplied data.

An attacker can exploit this issue to crash the affected application. Arbitrary code execution may also be possible; however, this has not been confirmed.

Exploit / POC

OpenLDAP 'UTF8StringNormalize()' Remote Buffer Overflow Vulnerability

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

Solution / Fix

OpenLDAP 'UTF8StringNormalize()' Remote Buffer Overflow Vulnerability

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

References

OpenLDAP 'UTF8StringNormalize()' Remote Buffer Overflow Vulnerability

References:

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