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Test ID:1.3.6.1.4.1.25623.1.0.68925
Category:Ubuntu Local Security Checks
Title:Ubuntu USN-1059-1 (dovecot)
Summary:Ubuntu USN-1059-1 (dovecot)
Description:The remote host is missing an update to dovecot
announced via advisory USN-1059-1.

Details follow:

It was discovered that the ACL plugin in Dovecot would incorrectly
propagate ACLs to new mailboxes. A remote authenticated user could possibly
read new mailboxes that were created with the wrong ACL. (CVE-2010-3304)

It was discovered that the ACL plugin in Dovecot would incorrectly merge
ACLs in certain circumstances. A remote authenticated user could possibly
bypass intended access restrictions and gain access to mailboxes.
(CVE-2010-3706, CVE-2010-3707)

It was discovered that the ACL plugin in Dovecot would incorrectly grant
the admin permission to owners of certain mailboxes. A remote authenticated
user could possibly bypass intended access restrictions and gain access to
mailboxes. (CVE-2010-3779)

It was discovered that Dovecot incorrecly handled the simultaneous
disconnect of a large number of sessions. A remote authenticated user could
use this flaw to cause Dovecot to crash, resulting in a denial of service.
(CVE-2010-3780)

Solution:
The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 10.04 LTS:
dovecot-common 1:1.2.9-1ubuntu6.3

Ubuntu 10.10:
dovecot-common 1:1.2.12-1ubuntu8.1

In general, a standard system update will make all the necessary changes.

http://www.securityspace.com/smysecure/catid.html?in=USN-1059-1

Risk factor : High
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2010-3304
http://www.dovecot.org/list/dovecot-news/2010-July/000163.html
http://www.openwall.com/lists/oss-security/2010/09/16/14
http://www.openwall.com/lists/oss-security/2010/09/16/17
http://www.mandriva.com/security/advisories?name=MDVSA-2010:217
SuSE Security Announcement: SUSE-SR:2010:017 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
http://www.ubuntu.com/usn/USN-1059-1
BugTraq ID: 41964
http://www.securityfocus.com/bid/41964
http://secunia.com/advisories/43220
http://www.vupen.com/english/advisories/2010/2840
http://www.vupen.com/english/advisories/2011/0301
Common Vulnerability Exposure (CVE) ID: CVE-2010-3706
http://www.dovecot.org/list/dovecot/2010-October/053452.html
http://www.dovecot.org/list/dovecot/2010-October/053450.html
http://www.dovecot.org/list/dovecot/2010-October/053451.html
http://marc.info/?l=oss-security&m=128620520732377&w=2
http://marc.info/?l=oss-security&m=128622064325688&w=2
SuSE Security Announcement: SUSE-SR:2010:020 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html
http://www.vupen.com/english/advisories/2010/2572
Common Vulnerability Exposure (CVE) ID: CVE-2010-3707
http://www.redhat.com/support/errata/RHSA-2011-0600.html
Common Vulnerability Exposure (CVE) ID: CVE-2010-3779
Common Vulnerability Exposure (CVE) ID: CVE-2010-3780
CopyrightCopyright (c) 2011 E-Soft Inc. http://www.securityspace.com

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