Sendmail Long Header Denial Of Service Vulnerability

BID:19714

CVE-2006-4434 |

Info

Sendmail Long Header Denial Of Service Vulnerability

Bugtraq ID: 19714
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2006-4434
Remote: Yes
Local: No
Published: Aug 25 2006 12:00AM
Updated: Nov 17 2008 06:24PM
Credit: This issue was disclosed in the referenced OpenBSD advisory.
Vulnerable: Turbolinux Turbolinux Server 10.0 x86
Turbolinux Turbolinux Server 10.0
TurboLinux Personal
Turbolinux Appliance Server Workgroup Edition 1.0
Turbolinux Appliance Server Hosting Edition 1.0
Turbolinux Appliance Server 1.0 Workgroup Edition
Turbolinux Appliance Server 1.0 Hosting Edition
Turbolinux Appliance Server 2.0
TransSoft Broker FTP Server 8.0
TransSoft Broker FTP Server 7.0
SuSE SUSE Linux Enterprise Server 8
+ Linux kernel 2.4.21
+ Linux kernel 2.4.19
SuSE SUSE Linux Enterprise Server 10
SuSE SUSE Linux Enterprise Desktop 10
Sun Solaris 9_x86
Sun Solaris 9
Sun Solaris 10_x86
Sun Solaris 10
Sendmail Consortium Sendmail 8.13.7
Sendmail Consortium Sendmail 8.13.6
Sendmail Consortium Sendmail 8.13.5
Sendmail Consortium Sendmail 8.13.4
Sendmail Consortium Sendmail 8.13.3
Sendmail Consortium Sendmail 8.12.11
Sendmail Consortium Sendmail 8.12.10
Sendmail Consortium Sendmail 8.12.9
+ Slackware Linux 9.0
+ Slackware Linux 8.1
+ Slackware Linux -current
 Sendmail Consortium Sendmail 8.12.8
Sendmail Consortium Sendmail 8.12.7
+ OpenPKG OpenPKG 1.2
+ Slackware Linux 8.1
+ SOTLinux SOTLinux 2003 Desktop
+ SOTLinux SOTLinux 2003 Server
Sendmail Consortium Sendmail 8.12.6
+ Apple Mac OS X 10.2.4
+ Conectiva Linux Enterprise Edition 1.0
+ FreeBSD FreeBSD 5.0
+ FreeBSD FreeBSD 4.7
+ MandrakeSoft Corporate Server 2.1
+ Mandriva Linux Mandrake 9.0
+ OpenBSD OpenBSD 3.2
 + S.u.S.E. Linux 8.1
Sendmail Consortium Sendmail 8.12.5
+ Conectiva Linux 9.0
+ OpenBSD OpenBSD 3.2
 Sendmail Consortium Sendmail 8.12.4
+ OpenBSD OpenBSD 3.2
 + Slackware Linux 8.1
+ Slackware Linux -current
 Sendmail Consortium Sendmail 8.12.3
Sendmail Consortium Sendmail 8.12.2
+ Apple Mac OS X 10.2.3
+ Apple Mac OS X 10.2.2
+ Apple Mac OS X 10.2.1
+ Apple Mac OS X 10.2
+ Apple Mac OS X Server 10.2.3
+ Apple Mac OS X Server 10.2.2
+ Apple Mac OS X Server 10.2.1
+ Apple Mac OS X Server 10.2
+ OpenBSD OpenBSD 3.1
 Sendmail Consortium Sendmail 8.12.1
Sendmail Consortium Sendmail 8.12 beta7
Sendmail Consortium Sendmail 8.12 beta5
Sendmail Consortium Sendmail 8.12 beta16
Sendmail Consortium Sendmail 8.12 beta12
Sendmail Consortium Sendmail 8.12 beta10
Sendmail Consortium Sendmail 8.12 .0
Sendmail Consortium Sendmail 8.11.7
Sendmail Consortium Sendmail 8.11.6
+ Caldera OpenLinux Server 3.1.1
+ Caldera OpenLinux Server 3.1
+ Caldera OpenLinux Workstation 3.1.1
+ Caldera OpenLinux Workstation 3.1
+ Conectiva Linux 8.0
+ Conectiva Linux 7.0
+ Conectiva Linux 6.0
+ FreeBSD FreeBSD 4.5 -RELEASE
 + FreeBSD FreeBSD 4.5
+ FreeBSD FreeBSD 4.4
+ Immunix Immunix OS 7.0
+ Mandriva Linux Mandrake 8.1 ia64
 + Mandriva Linux Mandrake 8.1
+ Mandriva Linux Mandrake 8.0 ppc
 + Mandriva Linux Mandrake 8.0
+ RedHat Linux 7.3 i386
 + RedHat Linux 7.2 ia64
 + RedHat Linux 7.2 i386
 + RedHat Linux 7.1 i386
 + RedHat Linux 7.0 i386
 + RedHat Linux 6.2 i386
 + S.u.S.E. Linux 7.3 sparc
 + S.u.S.E. Linux 7.3 ppc
 + S.u.S.E. Linux 7.3 i386
 + S.u.S.E. Linux 7.3
+ Sun Cobalt RaQ 550
+ Sun Linux 5.0.3
+ Sun Linux 5.0
Sendmail Consortium Sendmail 8.11.5
Sendmail Consortium Sendmail 8.11.4
+ Conectiva Linux 7.0
- Slackware Linux 8.0
Sendmail Consortium Sendmail 8.11.3
- MandrakeSoft Corporate Server 1.0.1
- Mandriva Linux Mandrake 8.0
+ S.u.S.E. Linux 7.2 i386
 + S.u.S.E. Linux 7.2
- Slackware Linux 7.1
Sendmail Consortium Sendmail 8.11.2
+ RedHat Linux 7.1 ia64
 + RedHat Linux 7.1 i386
 + RedHat Linux 7.1 alpha
 + RedHat Linux 7.1
+ S.u.S.E. Linux 7.1 x86
 + S.u.S.E. Linux 7.1 sparc
 + S.u.S.E. Linux 7.1 ppc
 + S.u.S.E. Linux 7.1 alpha
 + S.u.S.E. Linux 7.1
Sendmail Consortium Sendmail 8.11.1
+ Caldera OpenLinux Server 3.1
+ Caldera OpenLinux Workstation 3.1
+ Conectiva Linux 6.0
Sendmail Consortium Sendmail 8.11
+ Compaq Tru64 5.1 b
 + Compaq Tru64 5.1 a
 + Compaq Tru64 5.1
+ IBM AIX 5.2
 + IBM AIX 5.1
 - Mandriva Linux Mandrake 7.2
+ RedHat Linux 7.0 sparc
 + RedHat Linux 7.0 i386
 + RedHat Linux 7.0 alpha
 + RedHat Linux 7.0
- S.u.S.E. Linux 7.0 sparc
 - S.u.S.E. Linux 7.0 ppc
 - S.u.S.E. Linux 7.0 alpha
 - S.u.S.E. Linux 7.0
+ SCO Open Server 5.0.6 a
 + SCO Open Server 5.0.6
+ SCO Open Server 5.0.5
+ SCO Open Server 5.0.4
Sendmail Consortium Sendmail 8.10.2
+ Sun Cobalt Qube3 4000WG
+ Sun Cobalt RaQ 4
+ Sun Cobalt RaQ XTR
+ Sun Cobalt RaQ XTR 3500R
+ Sun Cobalt RaQ4 3001R
Sendmail Consortium Sendmail 8.10.1
Sendmail Consortium Sendmail 8.10
Sendmail Consortium Sendmail 8.9.3
+ Compaq Tru64 5.1 PK5 (BL19)
 + Compaq Tru64 5.0 a PK3 (BL17)
 + Debian Linux 2.2 sparc
 + Debian Linux 2.2 powerpc
 + Debian Linux 2.2 IA-32
 + Debian Linux 2.2 arm
 + Debian Linux 2.2 alpha
 + Debian Linux 2.2 68k
 + Debian Linux 2.2
+ IBM AIX 4.3.3
+ SGI IRIX 6.5.19
+ SGI IRIX 6.5.18 m
 + SGI IRIX 6.5.18 f
 + SGI IRIX 6.5.17 m
 + SGI IRIX 6.5.17 f
 + SGI IRIX 6.5.16 m
 + SGI IRIX 6.5.16 f
 + SGI IRIX 6.5.15 m
 + SGI IRIX 6.5.15 f
 + SGI IRIX 6.5.14 m
 + SGI IRIX 6.5.14 f
 + SGI IRIX 6.5.13 m
 + SGI IRIX 6.5.13 f
 + SGI IRIX 6.5.12 m
 + SGI IRIX 6.5.12 f
 + SGI IRIX 6.5.11 m
 + SGI IRIX 6.5.11 f
 + SGI IRIX 6.5.10 m
 + SGI IRIX 6.5.10 f
 + SGI IRIX 6.5.9 m
 + SGI IRIX 6.5.9 f
 + SGI IRIX 6.5.8 m
 + SGI IRIX 6.5.8 f
 + SGI IRIX 6.5.7 m
 + SGI IRIX 6.5.7 f
 Sendmail Consortium Sendmail 8.9.2
Sendmail Consortium Sendmail 8.9.1
Sendmail Consortium Sendmail 8.9 .0
Sendmail Consortium Sendmail 8.8.8
Sendmail Consortium Sendmail 5.65
Sendmail Consortium Sendmail 5.61
Sendmail Consortium Sendmail 5.59
Sendmail Consortium Sendmail 4.55
Sendmail Consortium Sendmail 4.1
S.u.S.E. UnitedLinux 1.0
S.u.S.E. SuSE Linux Standard Server 8.0
S.u.S.E. SuSE Linux School Server for i386
S.u.S.E. SUSE LINUX Retail Solution 8.0
S.u.S.E. Open-Enterprise-Server 9.0
S.u.S.E. Open-Enterprise-Server 1
S.u.S.E. Office Server
S.u.S.E. Novell Linux Desktop 9.0
S.u.S.E. Novell Linux Desktop 1.0
S.u.S.E. Linux Professional 10.0 OSS
S.u.S.E. Linux Professional 10.0
S.u.S.E. Linux Professional 9.3 x86_64
S.u.S.E. Linux Professional 9.3
S.u.S.E. Linux Professional 9.2 x86_64
S.u.S.E. Linux Professional 9.2
S.u.S.E. Linux Professional 9.1 x86_64
S.u.S.E. Linux Professional 9.1
S.u.S.E. Linux Professional 10.1
S.u.S.E. Linux Personal 10.0 OSS
S.u.S.E. Linux Personal 9.3 x86_64
S.u.S.E. Linux Personal 9.3
S.u.S.E. Linux Personal 9.2 x86_64
S.u.S.E. Linux Personal 9.2
S.u.S.E. Linux Personal 9.1 x86_64
S.u.S.E. Linux Personal 9.1
S.u.S.E. Linux Personal 10.1
S.u.S.E. Linux Openexchange Server
S.u.S.E. Linux Office Server
S.u.S.E. Linux Enterprise Server for S/390 9.0
S.u.S.E. Linux Enterprise Server for S/390
S.u.S.E. Linux Enterprise Server 9
S.u.S.E. Linux Desktop 1.0
S.u.S.E. Linux Database Server 0
S.u.S.E. Linux Connectivity Server
OpenBSD OpenBSD 3.9
OpenBSD OpenBSD 3.8
Mandriva Linux Mandrake 2006.0 x86_64
Mandriva Linux Mandrake 2006.0
MandrakeSoft Multi Network Firewall 2.0
MandrakeSoft Corporate Server 3.0 x86_64
MandrakeSoft Corporate Server 3.0
IBM AIX 6.1
Debian Linux 3.1 sparc
Debian Linux 3.1 s/390
Debian Linux 3.1 ppc
Debian Linux 3.1 mipsel
Debian Linux 3.1 mips
Debian Linux 3.1 m68k
Debian Linux 3.1 ia-64
Debian Linux 3.1 ia-32
Debian Linux 3.1 hppa
Debian Linux 3.1 arm
Debian Linux 3.1 amd64
Debian Linux 3.1 alpha
Debian Linux 3.1
Not Vulnerable: Sendmail Consortium Sendmail 8.13.8

Discussion

Sendmail Long Header Denial Of Service Vulnerability

Sendmail is prone to a denial-of-service vulnerability.

An attacker can exploit this issue to crash the Sendmail process, causing a denial of service.

Exploit / POC

Sendmail Long Header Denial Of Service Vulnerability

An attacker may trigger this issue by constructing a malicious email message and sending it to a vulnerable server.

Solution / Fix

Sendmail Long Header Denial Of Service Vulnerability

Solution:
The vendor does not consider this a security vulnerability, but has released version 8.13.8 to address this issue.

Please see the referenced advisories for more information.


OpenBSD OpenBSD 3.9

Turbolinux Appliance Server 2.0

OpenBSD OpenBSD 3.8

Turbolinux Appliance Server 1.0 Hosting Edition

Turbolinux Appliance Server 1.0 Workgroup Edition

Turbolinux Turbolinux Server 10.0

Sendmail Consortium Sendmail 4.1

Sendmail Consortium Sendmail 4.55

Sendmail Consortium Sendmail 5.59

Sendmail Consortium Sendmail 5.61

Sendmail Consortium Sendmail 5.65

Sendmail Consortium Sendmail 8.10.1

Sendmail Consortium Sendmail 8.10.2

Sendmail Consortium Sendmail 8.11

Sendmail Consortium Sendmail 8.11.1

Sendmail Consortium Sendmail 8.11.2

Sendmail Consortium Sendmail 8.11.3

Sendmail Consortium Sendmail 8.11.4

Sendmail Consortium Sendmail 8.11.5

Sendmail Consortium Sendmail 8.11.6

Sendmail Consortium Sendmail 8.11.7

Sendmail Consortium Sendmail 8.12 beta12

Sendmail Consortium Sendmail 8.12 beta5

Sendmail Consortium Sendmail 8.12 beta16

Sendmail Consortium Sendmail 8.12 beta7

Sendmail Consortium Sendmail 8.12 .0

Sendmail Consortium Sendmail 8.12.11

Sendmail Consortium Sendmail 8.12.2

Sendmail Consortium Sendmail 8.12.4

Sendmail Consortium Sendmail 8.12.5

Sendmail Consortium Sendmail 8.12.7

Sendmail Consortium Sendmail 8.12.9

Sendmail Consortium Sendmail 8.13.5

Sendmail Consortium Sendmail 8.13.7

Sendmail Consortium Sendmail 8.9.1

Sendmail Consortium Sendmail 8.9.3

References

Sendmail Long Header Denial Of Service Vulnerability

References:

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