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Kategorie:Red Hat Local Security Checks
Titel:RedHat Security Advisory RHSA-2011:0600
The remote host is missing updates announced in
advisory RHSA-2011:0600.

Dovecot is an IMAP server for Linux, UNIX, and similar operating systems,
primarily written with security in mind.

A flaw was found in the way Dovecot handled SIGCHLD signals. If a large
amount of IMAP or POP3 session disconnects caused the Dovecot master
process to receive these signals rapidly, it could cause the master process
to crash. (CVE-2010-3780)

A flaw was found in the way Dovecot processed multiple Access Control Lists
(ACL) defined for a mailbox. In some cases, Dovecot could fail to apply the
more specific ACL entry, possibly resulting in more access being granted to
the user than intended. (CVE-2010-3707)

This update also adds the following enhancement:

* This erratum upgrades Dovecot to upstream version 2.0.9, providing
multiple fixes for the dsync utility and improving overall performance.
Refer to the /usr/share/doc/dovecot-2.0.9/ChangeLog file after installing
this update for further information about the changes. (BZ#637056)

Users of dovecot are advised to upgrade to these updated packages, which
resolve these issues and add this enhancement. After installing the updated
packages, the dovecot service will be restarted automatically.

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

Risk factor : High

CVSS Score:

Querverweis: Common Vulnerability Exposure (CVE) ID: CVE-2010-3707
SuSE Security Announcement: SUSE-SR:2010:020 (Google Search)
Common Vulnerability Exposure (CVE) ID: CVE-2010-3780
CopyrightCopyright (c) 2011 E-Soft Inc.

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