Dovecot Header Name NULL Character Denial of Service Vulnerability

BID:47930

Info

Dovecot Header Name NULL Character Denial of Service Vulnerability

Bugtraq ID: 47930
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2011-1929
Remote: Yes
Local: No
Published: May 19 2011 12:00AM
Updated: Apr 13 2015 09:58PM
Credit: Timo Sirainen
Vulnerable: Ubuntu Ubuntu Linux 11.04 powerpc
Ubuntu Ubuntu Linux 11.04 i386
Ubuntu Ubuntu Linux 11.04 ARM
Ubuntu Ubuntu Linux 11.04 amd64
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
S.u.S.E. openSUSE 11.4
S.u.S.E. openSUSE 11.3
Redhat Enterprise Linux WS 4
Redhat Enterprise Linux Workstation Optional 6
Redhat Enterprise Linux Workstation 6
Redhat Enterprise Linux Server Optional 6
Redhat Enterprise Linux Server 6
Redhat Enterprise Linux ES 4
Redhat Enterprise Linux Desktop Workstation 5 client
Redhat Enterprise Linux AS 4
Redhat Enterprise Linux Desktop version 4
Redhat Enterprise Linux 5 Server
Mandriva Linux Mandrake 2010.1 x86_64
Mandriva Linux Mandrake 2010.1
Mandriva Linux Mandrake 2009.0 x86_64
Mandriva Linux Mandrake 2009.0
MandrakeSoft Enterprise Server 5 x86_64
MandrakeSoft Enterprise Server 5
Gentoo Linux
Dovecot Dovecot 2.0.12
Dovecot Dovecot 2.0.4
Dovecot Dovecot 2.0.3
Dovecot Dovecot 2.0.2
Dovecot Dovecot 1.2.16
Dovecot Dovecot 1.2.15
Dovecot Dovecot 1.2.14
Dovecot Dovecot 1.2.13
Dovecot Dovecot 1.2.12
Dovecot Dovecot 1.2.10
Dovecot Dovecot 1.2.9
Dovecot Dovecot 1.2.8
Dovecot Dovecot 1.2.7
Dovecot Dovecot 2.0.5
Dovecot Dovecot 2.0.1
Dovecot Dovecot 2.0.0
Dovecot Dovecot 1.2.6
Dovecot Dovecot 1.2.5
Dovecot Dovecot 1.2.4
Dovecot Dovecot 1.2.3
Dovecot Dovecot 1.2.2
Dovecot Dovecot 1.2.11
Not Vulnerable: Dovecot Dovecot 2.0.13
Dovecot Dovecot 1.2.17

Discussion

Dovecot Header Name NULL Character Denial of Service Vulnerability

Dovecot is prone to a denial-of-service vulnerability because it fails to properly parse message headers.

A remote attacker can exploit this issue to crash the affected application, denying service to legitimate users.

Dovecot versions prior to 1.2.17 and 2.0.13 are vulnerable.

Solution / Fix

Dovecot Header Name NULL Character Denial of Service Vulnerability

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


MandrakeSoft Enterprise Server 5 x86_64

MandrakeSoft Enterprise Server 5

Mandriva Linux Mandrake 2010.1 x86_64

Mandriva Linux Mandrake 2010.1

Mandriva Linux Mandrake 2009.0

Mandriva Linux Mandrake 2009.0 x86_64

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report