Asterisk RTP Comfort Noise Processing Remote Denial of Service Vulnerability

Bugtraq ID:	37153
Class:	Boundary Condition Error
CVE:	CVE-2009-4055
Remote:	Yes
Local:	No
Published:	Nov 30 2009 12:00AM
Updated:	Apr 13 2015 08:36PM
Credit:	amorsen
Vulnerable:	Gentoo Linux Debian Linux 5.0 sparc Debian Linux 5.0 s/390 Debian Linux 5.0 powerpc Debian Linux 5.0 mipsel Debian Linux 5.0 mips Debian Linux 5.0 m68k Debian Linux 5.0 ia-64 Debian Linux 5.0 ia-32 Debian Linux 5.0 hppa Debian Linux 5.0 armel Debian Linux 5.0 arm Debian Linux 5.0 amd64 Debian Linux 5.0 alpha Debian Linux 5.0 Asterisk s800i Appliance 1.3 5 Asterisk s800i Appliance 1.3 .2 Asterisk s800i Appliance 1.3 Asterisk s800i Appliance 1.3.0.3 Asterisk Asterisk Business Edition C.3.2 2 Asterisk Asterisk Business Edition C.3.1.0 Asterisk Asterisk Business Edition C.3.1 1 Asterisk Asterisk Business Edition C.2.4.3 Asterisk Asterisk Business Edition C.2.4.2 Asterisk Asterisk Business Edition C.2.4 5 Asterisk Asterisk Business Edition C.2.3.3 Asterisk Asterisk Business Edition C.2.3 .2 Asterisk Asterisk Business Edition C.2.3 Asterisk Asterisk Business Edition C.2.1.2.1 Asterisk Asterisk Business Edition C.1.8.1 Asterisk Asterisk Business Edition C.1.6.2 Asterisk Asterisk Business Edition C.1.6.1 Asterisk Asterisk Business Edition C.1.6 Asterisk Asterisk Business Edition C.1.10.5 Asterisk Asterisk Business Edition C.1.10.4 Asterisk Asterisk Business Edition C.1.10.3 Asterisk Asterisk Business Edition C.1.0-beta8 Asterisk Asterisk Business Edition C.1.0-beta7 Asterisk Asterisk Business Edition C Asterisk Asterisk Business Edition B.2.5.9 Asterisk Asterisk Business Edition B.2.5.8 Asterisk Asterisk Business Edition B.2.5.6 Asterisk Asterisk Business Edition B.2.5.5 Asterisk Asterisk Business Edition B.2.5.4 Asterisk Asterisk Business Edition B.2.5.3 Asterisk Asterisk Business Edition B.2.5.2 Asterisk Asterisk Business Edition B.2.5.10 Asterisk Asterisk Business Edition B.2.5.1 Asterisk Asterisk Business Edition B.2.5 12 Asterisk Asterisk Business Edition B.2.5 Asterisk Asterisk Business Edition B.2.3.6 Asterisk Asterisk Business Edition B.2.3.5 Asterisk Asterisk Business Edition B.2.3.4 Asterisk Asterisk Business Edition B.2.3.3 Asterisk Asterisk Business Edition B.2.3.2 Asterisk Asterisk Business Edition B.2.3.1 Asterisk Asterisk Business Edition B.2.2.1 Asterisk Asterisk Business Edition B.2.2.0 Asterisk Asterisk Business Edition B.1.3.3 Asterisk Asterisk Business Edition B.1.3.2 Asterisk Asterisk Business Edition B Asterisk Asterisk 1.6.1 0-rc2 Asterisk Asterisk 1.6.1 0-rc1 Asterisk Asterisk 1.6.1 .9 Asterisk Asterisk 1.6.1 .6 Asterisk Asterisk 1.6.1 .5 Asterisk Asterisk 1.6.1 Asterisk Asterisk 1.6 beta6 Asterisk Asterisk 1.6 6 Asterisk Asterisk 1.6 19 Asterisk Asterisk 1.6 .8 Asterisk Asterisk 1.6 .17 Asterisk Asterisk 1.4.26 .3 Asterisk Asterisk 1.4.26 Asterisk Asterisk 1.4.24 .1 Asterisk Asterisk 1.4.24 Asterisk Asterisk 1.4.23 .2 Asterisk Asterisk 1.4.23 .1 Asterisk Asterisk 1.4.23 Asterisk Asterisk 1.4.22 Asterisk Asterisk 1.4.19 .1 Asterisk Asterisk 1.4.19 -rc3 Asterisk Asterisk 1.4.19 Asterisk Asterisk 1.4.18 Asterisk Asterisk 1.4.17 Asterisk Asterisk 1.4.16 Asterisk Asterisk 1.4.15 Asterisk Asterisk 1.4.14 Asterisk Asterisk 1.4.13 Asterisk Asterisk 1.4.12 Asterisk Asterisk 1.4.11 Asterisk Asterisk 1.4.10 Asterisk Asterisk 1.4.9 Asterisk Asterisk 1.4.8 Asterisk Asterisk 1.4.7 Asterisk Asterisk 1.4.6 Asterisk Asterisk 1.4.5 Asterisk Asterisk 1.4.4 Asterisk Asterisk 1.4.3 Asterisk Asterisk 1.4.2 Asterisk Asterisk 1.4.1 Asterisk Asterisk 1.2.35 Asterisk Asterisk 1.2.34 Asterisk Asterisk 1.2.33 Asterisk Asterisk 1.2.32 Asterisk Asterisk 1.2.31 Asterisk Asterisk 1.2.30 Asterisk Asterisk 1.2.29 Asterisk Asterisk 1.2.28 Asterisk Asterisk 1.2.27 Asterisk Asterisk 1.2.26 Asterisk Asterisk 1.2.25 Asterisk Asterisk 1.2.24 Asterisk Asterisk 1.2.23 Asterisk Asterisk 1.2.22 Asterisk Asterisk 1.2.21 Asterisk Asterisk 1.2.19 Asterisk Asterisk 1.2.18 Asterisk Asterisk 1.2.17 Asterisk Asterisk 1.2.16 Asterisk Asterisk 1.2.15 Asterisk Asterisk 1.2.14 Asterisk Asterisk 1.2.13 Asterisk Asterisk 1.2.11 Asterisk Asterisk 1.2.10 Asterisk Asterisk 1.2.9 Asterisk Asterisk 1.2.8 Asterisk Asterisk 1.2.7 Asterisk Asterisk 1.2.6 Asterisk Asterisk 1.2.5 Asterisk Asterisk 1.2 .0-beta2 Asterisk Asterisk 1.2 .0-beta1 Asterisk Asterisk 1.6.1.8 Asterisk Asterisk 1.6.1.7 Asterisk Asterisk 1.6.0.3 Asterisk Asterisk 1.6.0.15 Asterisk Asterisk 1.6.0.14 Asterisk Asterisk 1.6 Asterisk Asterisk 1.4.26.2 Asterisk Asterisk 1.4.26.1 Asterisk Asterisk 1.4.22.1 Asterisk Asterisk 1.4.21.2 Asterisk Asterisk 1.4.18.1 Asterisk Asterisk 1.4 revision 95946 Asterisk Asterisk 1.4 Beta Asterisk Asterisk 1.2.30.4 Asterisk Asterisk 1.2.30.3
Not Vulnerable:	Asterisk s800i Appliance 1.3 6 Asterisk Asterisk Business Edition C.3.2 3 Asterisk Asterisk Business Edition C.2.4 6 Asterisk Asterisk Business Edition B.2.5 13 Asterisk Asterisk 1.6.1 11 Asterisk Asterisk 1.4.27 1 Asterisk Asterisk 1.2.37

Asterisk RTP Comfort Noise Processing Remote Denial of Service Vulnerability

Asterisk is prone to a remote denial-of-service vulnerability because it fails to properly handle malformed RTP comfort noise data.

Successful exploits can crash the application, resulting in denial-of-service conditions for legitimate users.

Asterisk RTP Comfort Noise Processing Remote Denial of Service Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Asterisk RTP Comfort Noise Processing Remote Denial of Service Vulnerability

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


Asterisk Asterisk 1.6.0.3

• Asterisk AST-2009-010-1.6.0.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.0.diff.txt

Asterisk Asterisk 1.6

• Asterisk AST-2009-010-1.6.0.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.0.diff.txt

Debian Linux 5.0 alpha

• Debian asterisk-config_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-confi g_1.4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-dbg_1.4.21.2~dfsg-3+lenny1_alpha.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-dbg_1 .4.21.2~dfsg-3+lenny1_alpha.deb


• Debian asterisk-dev_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-dev_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-doc_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-doc_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-h323_1.4.21.2~dfsg-3+lenny1_alpha.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-h323_ 1.4.21.2~dfsg-3+lenny1_alpha.deb


• Debian asterisk-sounds-main_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-sound s-main_1.4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk_1.4.21.2~dfsg-3+lenny1_alpha.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk_1.4.2 1.2~dfsg-3+lenny1_alpha.deb

Asterisk Asterisk 1.2.30.3

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Debian Linux 5.0 armel

• Debian asterisk-config_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-confi g_1.4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-dbg_1.4.21.2~dfsg-3+lenny1_armel.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-dbg_1 .4.21.2~dfsg-3+lenny1_armel.deb


• Debian asterisk-dev_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-dev_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-doc_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-doc_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-h323_1.4.21.2~dfsg-3+lenny1_armel.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-h323_ 1.4.21.2~dfsg-3+lenny1_armel.deb


• Debian asterisk-sounds-main_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-sound s-main_1.4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk_1.4.21.2~dfsg-3+lenny1_armel.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk_1.4.2 1.2~dfsg-3+lenny1_armel.deb

Debian Linux 5.0 mips

• Debian asterisk-config_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-confi g_1.4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-dbg_1.4.21.2~dfsg-3+lenny1_mips.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-dbg_1 .4.21.2~dfsg-3+lenny1_mips.deb


• Debian asterisk-dev_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-dev_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-doc_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-doc_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-h323_1.4.21.2~dfsg-3+lenny1_mips.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-h323_ 1.4.21.2~dfsg-3+lenny1_mips.deb


• Debian asterisk-sounds-main_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-sound s-main_1.4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk_1.4.21.2~dfsg-3+lenny1_mips.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk_1.4.2 1.2~dfsg-3+lenny1_mips.deb

Debian Linux 5.0 sparc

• Debian asterisk-config_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-confi g_1.4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-dbg_1.4.21.2~dfsg-3+lenny1_sparc.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-dbg_1 .4.21.2~dfsg-3+lenny1_sparc.deb


• Debian asterisk-dev_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-dev_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-doc_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-doc_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-h323_1.4.21.2~dfsg-3+lenny1_sparc.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-h323_ 1.4.21.2~dfsg-3+lenny1_sparc.deb


• Debian asterisk-sounds-main_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-sound s-main_1.4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk_1.4.21.2~dfsg-3+lenny1_sparc.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk_1.4.2 1.2~dfsg-3+lenny1_sparc.deb

Asterisk Asterisk 1.2.30.4

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.4.18.1

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Debian Linux 5.0 s/390

• Debian asterisk-config_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-confi g_1.4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-dev_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-dev_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-doc_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-doc_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-sounds-main_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-sound s-main_1.4.21.2~dfsg-3+lenny1_all.deb

Asterisk Asterisk 1.4.21.2

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Debian Linux 5.0 hppa

• Debian asterisk-config_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-confi g_1.4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-dbg_1.4.21.2~dfsg-3+lenny1_hppa.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-dbg_1 .4.21.2~dfsg-3+lenny1_hppa.deb


• Debian asterisk-dev_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-dev_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-doc_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-doc_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-h323_1.4.21.2~dfsg-3+lenny1_hppa.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-h323_ 1.4.21.2~dfsg-3+lenny1_hppa.deb


• Debian asterisk-sounds-main_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-sound s-main_1.4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk_1.4.21.2~dfsg-3+lenny1_hppa.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk_1.4.2 1.2~dfsg-3+lenny1_hppa.deb

Debian Linux 5.0 m68k

• Debian asterisk-config_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-confi g_1.4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-dev_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-dev_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-doc_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-doc_1 .4.21.2~dfsg-3+lenny1_all.deb


• Debian asterisk-sounds-main_1.4.21.2~dfsg-3+lenny1_all.deb
  http://security.debian.org/pool/updates/main/a/asterisk/asterisk-sound s-main_1.4.21.2~dfsg-3+lenny1_all.deb

Asterisk Asterisk 1.6.1.8

• Asterisk AST-2009-010-1.6.1.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.1.diff.txt

Asterisk Asterisk 1.2 .0-beta1

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.10

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.11

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.13

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.14

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.15

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.16

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.18

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.22

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.25

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.26

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.28

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.29

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.31

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.32

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.34

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.35

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.5

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.6

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.7

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.2.8

• Asterisk AST-2009-010-1.2.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.2.diff.txt

Asterisk Asterisk 1.4.1

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.13

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.15

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.16

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.17

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.18

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.19 -rc3

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.22

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.24 .1

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.24

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.26 .3

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.4

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.5

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.4.9

• Asterisk AST-2009-010-1.4.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.4.diff.txt

Asterisk Asterisk 1.6 19

• Asterisk AST-2009-010-1.6.0.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.0.diff.txt

Asterisk Asterisk 1.6 .8

• Asterisk AST-2009-010-1.6.0.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.0.diff.txt

Asterisk Asterisk 1.6.1 0-rc1

• Asterisk AST-2009-010-1.6.1.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.1.diff.txt

Asterisk Asterisk 1.6.1 .9

• Asterisk AST-2009-010-1.6.1.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.1.diff.txt

Asterisk Asterisk 1.6.1 .6

• Asterisk AST-2009-010-1.6.1.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.1.diff.txt

Asterisk Asterisk 1.6.1

• Asterisk AST-2009-010-1.6.1.diff
  http://downloads.asterisk.org/pub/security/AST-2009-010-1.6.1.diff.txt

Asterisk RTP Comfort Noise Processing Remote Denial of Service Vulnerability

References:

• Asterisk Homepage (Asterisk)
  
• AST-2009-010: RTP Remote Crash Vulnerability ("Asterisk Security Team" )
  
• RTP Remote Crash Vulnerability (Asterisk)