Dovecot Access Control List (ACL) Plugin Security Bypass Weakness

BID:41964

Info

Dovecot Access Control List (ACL) Plugin Security Bypass Weakness

Bugtraq ID: 41964
Class: Design Error
CVE: CVE-2010-3304
Remote: Yes
Local: No
Published: Jul 26 2010 12:00AM
Updated: Oct 11 2011 09:10AM
Credit: Reported by the vendor.
Vulnerable: 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
SuSE openSUSE 11.3
S.u.S.E. openSUSE 11.2
Mandriva Linux Mandrake 2010.1 x86_64
Mandriva Linux Mandrake 2010.1
Mandriva Linux Mandrake 2010.0 x86_64
Mandriva Linux Mandrake 2010.0
Gentoo Linux
Dovecot Dovecot 1.2.12
Dovecot Dovecot 1.2.11
Dovecot Dovecot 1.2.8
Dovecot Dovecot 1.2.7
Dovecot Dovecot 1.2
Not Vulnerable: Dovecot Dovecot 1.2.13

Discussion

Dovecot Access Control List (ACL) Plugin Security Bypass Weakness

Dovecot is prone to a security-bypass weakness because INBOX Access Control Lists (ACLs) could be used as the default for new mailboxes.

Attackers can exploit this issue to bypass intended security restrictions. This may aid in further attacks.

Versions prior to Dovecot 1.2.13 are vulnerable.

Exploit / POC

Dovecot Access Control List (ACL) Plugin Security Bypass Weakness

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

Dovecot Access Control List (ACL) Plugin Security Bypass Weakness

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


Ubuntu Ubuntu Linux 10.10 amd64

Mandriva Linux Mandrake 2010.0 x86_64

Ubuntu Ubuntu Linux 10.04 powerpc

Mandriva Linux Mandrake 2010.1

Ubuntu Ubuntu Linux 10.04 amd64

Ubuntu Ubuntu Linux 10.10 powerpc

Ubuntu Ubuntu Linux 10.04 ARM

Ubuntu Ubuntu Linux 10.10 ARM

Ubuntu Ubuntu Linux 10.10 i386

Mandriva Linux Mandrake 2010.1 x86_64

Ubuntu Ubuntu Linux 10.04 sparc

Mandriva Linux Mandrake 2010.0

Ubuntu Ubuntu Linux 10.04 i386

References

Dovecot Access Control List (ACL) Plugin Security Bypass Weakness

References:

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