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Test ID:1.3.6.1.4.1.25623.1.0.70076
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2011:1187
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2011:1187.

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

A denial of service flaw was found in the way Dovecot handled NULL
characters in certain header names. A mail message with specially-crafted
headers could cause the Dovecot child process handling the target user's
connection to crash, blocking them from downloading the message
successfully and possibly leading to the corruption of their mailbox.
(CVE-2011-1929)

Users of dovecot are advised to upgrade to these updated packages, which
contain a backported patch to resolve this issue. After installing the
updated packages, the dovecot service will be restarted automatically.

Solution:
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

http://rhn.redhat.com/errata/RHSA-2011-1187.html

Risk factor : Medium

CVSS Score:
5.0

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-1929
BugTraq ID: 47930
http://www.securityfocus.com/bid/47930
Debian Security Information: DSA-2252 (Google Search)
http://www.debian.org/security/2011/dsa-2252
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060815.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060825.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061384.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:101
http://dovecot.org/pipermail/dovecot/2011-May/059086.html
http://dovecot.org/pipermail/dovecot/2011-May/059085.html
http://openwall.com/lists/oss-security/2011/05/18/4
http://openwall.com/lists/oss-security/2011/05/19/3
http://openwall.com/lists/oss-security/2011/05/19/6
http://osvdb.org/72495
http://www.redhat.com/support/errata/RHSA-2011-1187.html
http://secunia.com/advisories/44683
http://secunia.com/advisories/44712
http://secunia.com/advisories/44756
http://secunia.com/advisories/44771
http://secunia.com/advisories/44827
SuSE Security Announcement: openSUSE-SU-2011:0540 (Google Search)
https://hermes.opensuse.org/messages/8581790
http://www.ubuntu.com/usn/USN-1143-1
XForce ISS Database: dovecot-header-name-dos(67589)
https://exchange.xforce.ibmcloud.com/vulnerabilities/67589
CopyrightCopyright (c) 2011 E-Soft Inc. http://www.securityspace.com

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