Postfix Local Information Disclosure and Local Privilege Escalation Vulnerabilities

BID:30691

Info

Postfix Local Information Disclosure and Local Privilege Escalation Vulnerabilities

Bugtraq ID: 30691
Class: Design Error
CVE: CVE-2008-2936
CVE-2008-2937
Remote: No
Local: Yes
Published: Aug 14 2008 12:00AM
Updated: May 07 2015 05:14PM
Credit: Sebastian Krahmer of S.u.S.E
Vulnerable: Wietse Venema Postfix 2.5.4
Wietse Venema Postfix 2.2.10
Wietse Venema Postfix 2.2.4
Wietse Venema Postfix 2.2.3
Wietse Venema Postfix 2.1.5
+ Ubuntu Ubuntu Linux 4.1 ppc
+ Ubuntu Ubuntu Linux 4.1 ia64
+ Ubuntu Ubuntu Linux 4.1 ia32
Wietse Venema Postfix 2.1.3
+ Ubuntu Ubuntu Linux 4.1 ppc
+ Ubuntu Ubuntu Linux 4.1 ia64
+ Ubuntu Ubuntu Linux 4.1 ia32
Wietse Venema Postfix 2.1
Wietse Venema Postfix 2.0
Ubuntu Ubuntu Linux 8.04 LTS sparc
Ubuntu Ubuntu Linux 8.04 LTS powerpc
Ubuntu Ubuntu Linux 8.04 LTS lpia
Ubuntu Ubuntu Linux 8.04 LTS i386
Ubuntu Ubuntu Linux 8.04 LTS amd64
Ubuntu Ubuntu Linux 7.10 sparc
Ubuntu Ubuntu Linux 7.10 powerpc
Ubuntu Ubuntu Linux 7.10 lpia
Ubuntu Ubuntu Linux 7.10 i386
Ubuntu Ubuntu Linux 7.10 amd64
Ubuntu Ubuntu Linux 7.04 sparc
Ubuntu Ubuntu Linux 7.04 powerpc
Ubuntu Ubuntu Linux 7.04 i386
Ubuntu Ubuntu Linux 7.04 amd64
Ubuntu Ubuntu Linux 6.06 LTS sparc
Ubuntu Ubuntu Linux 6.06 LTS powerpc
Ubuntu Ubuntu Linux 6.06 LTS i386
Ubuntu Ubuntu Linux 6.06 LTS amd64
Turbolinux Turbolinux Server 10.0
Turbolinux Turbolinux Server 11 x64
Turbolinux Turbolinux Server 11
Turbolinux Turbolinux Server 10.0.0 x64
Turbolinux Appliance Server 3.0 x64
Turbolinux Appliance Server 3.0
SuSE SUSE Linux Enterprise Server 9
SuSE SUSE Linux Enterprise Server 8
+ Linux kernel 2.4.21
+ Linux kernel 2.4.19
SuSE SUSE Linux Enterprise Server 10 SP1
SuSE SUSE Linux Enterprise Server 10
SuSE Suse Linux Enterprise Desktop 10 SP2
SuSE Suse Linux Enterprise Desktop 10 SP1
S.u.S.E. openSUSE 11.0
S.u.S.E. openSUSE 10.3
S.u.S.E. openSUSE 10.2
S.u.S.E. Open-Enterprise-Server 0
S.u.S.E. Novell Linux Desktop 9.0
rPath rPath Linux 2
rPath rPath Linux 1
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux WS 3
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux ES 3
Redhat Enterprise Linux Desktop 5 client
Redhat Enterprise Linux AS 4
Redhat Enterprise Linux AS 3
Redhat Enterprise Linux Desktop version 4
Redhat Enterprise Linux 5 Server
Redhat Desktop 4.0
Redhat Desktop 3.0
Pardus Linux 2008 0
Pardus Linux 2007 0
Mandriva Linux Mandrake 2008.1 x86_64
Mandriva Linux Mandrake 2008.1
Mandriva Linux Mandrake 2008.0 x86_64
Mandriva Linux Mandrake 2008.0
Mandriva Linux Mandrake 2007.1 x86_64
Mandriva Linux Mandrake 2007.1
MandrakeSoft Corporate Server 4.0 x86_64
MandrakeSoft Corporate Server 3.0 x86_64
MandrakeSoft Corporate Server 3.0
MandrakeSoft Corporate Server 4.0
Gentoo Linux
Debian Linux 4.0 sparc
Debian Linux 4.0 s/390
Debian Linux 4.0 powerpc
Debian Linux 4.0 mipsel
Debian Linux 4.0 mips
Debian Linux 4.0 m68k
Debian Linux 4.0 ia-64
Debian Linux 4.0 ia-32
Debian Linux 4.0 hppa
Debian Linux 4.0 arm
Debian Linux 4.0 amd64
Debian Linux 4.0 alpha
Debian Linux 4.0
Avaya Aura Communication Manager 6.0.1
+ Avaya Communication Manager Server DEFINITY Server SI/CS
+ Avaya Communication Manager Server S8100
+ Avaya Communication Manager Server S8300
+ Avaya Communication Manager Server S8500
+ Avaya Communication Manager Server S8700
Avaya Aura Communication Manager 6.0
+ Avaya Communication Manager Server DEFINITY Server SI/CS
+ Avaya Communication Manager Server S8100
+ Avaya Communication Manager Server S8300
+ Avaya Communication Manager Server S8500
+ Avaya Communication Manager Server S8700
Not Vulnerable: Wietse Venema Postfix 2.5.4 Patchlevel 4

Discussion

Postfix Local Information Disclosure and Local Privilege Escalation Vulnerabilities

Postfix is prone to a local privilege-escalation vulnerability and a local information-disclosure vulnerability.

Local attackers can exploit this issue to read other users' mail or execute arbitrary commands with superuser privileges.

Versions prior to Postfix 2.5.4 Patchlevel 4 are vulnerable.

Exploit / POC

Postfix Local Information Disclosure and Local Privilege Escalation Vulnerabilities

An attacker uses readily available commands to exploit these issues.

The following proof-of-concept shell script is available:

Solution / Fix

Postfix Local Information Disclosure and Local Privilege Escalation Vulnerabilities

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


Ubuntu Ubuntu Linux 7.10 powerpc

Ubuntu Ubuntu Linux 8.04 LTS powerpc

Ubuntu Ubuntu Linux 8.04 LTS sparc

Ubuntu Ubuntu Linux 6.06 LTS sparc

Mandriva Linux Mandrake 2008.0 x86_64

Ubuntu Ubuntu Linux 8.04 LTS amd64

Mandriva Linux Mandrake 2008.0

Ubuntu Ubuntu Linux 7.10 sparc

Debian Linux 4.0 amd64

Debian Linux 4.0 ia-32

Debian Linux 4.0 hppa

Ubuntu Ubuntu Linux 7.04 i386

Debian Linux 4.0 mipsel

Debian Linux 4.0 ia-64

Debian Linux 4.0 mips

Mandriva Linux Mandrake 2008.1 x86_64

Debian Linux 4.0 arm

Mandriva Linux Mandrake 2008.1

Debian Linux 4.0 powerpc

Debian Linux 4.0 m68k

Ubuntu Ubuntu Linux 7.04 amd64

Ubuntu Ubuntu Linux 6.06 LTS powerpc

Ubuntu Ubuntu Linux 8.04 LTS lpia

Ubuntu Ubuntu Linux 7.10 lpia

Ubuntu Ubuntu Linux 6.06 LTS i386

Ubuntu Ubuntu Linux 7.10 i386

Ubuntu Ubuntu Linux 6.06 LTS amd64

Debian Linux 4.0 sparc

Debian Linux 4.0 s/390

Debian Linux 4.0 alpha

MandrakeSoft Corporate Server 4.0

Ubuntu Ubuntu Linux 7.10 amd64

Debian Linux 4.0

Ubuntu Ubuntu Linux 8.04 LTS i386

Ubuntu Ubuntu Linux 7.04 powerpc

Wietse Venema Postfix 2.0

Wietse Venema Postfix 2.1

Wietse Venema Postfix 2.1.3

Wietse Venema Postfix 2.1.5

Wietse Venema Postfix 2.2.10

Wietse Venema Postfix 2.2.3

Wietse Venema Postfix 2.2.4

Wietse Venema Postfix 2.5.4

MandrakeSoft Corporate Server 3.0

MandrakeSoft Corporate Server 3.0 x86_64

MandrakeSoft Corporate Server 4.0 x86_64

References

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