Asterisk IAX2 Remote Buffer Overflow Vulnerability

BID:18295

CVE-2006-2898 |

Info

Asterisk IAX2 Remote Buffer Overflow Vulnerability

Bugtraq ID: 18295
Class: Boundary Condition Error
CVE: CVE-2006-2898
Remote: Yes
Local: No
Published: Jun 06 2006 12:00AM
Updated: Jul 28 2006 04:42PM
Credit: Damian Saura, Alejandro Lozanoff, Eduardo Koch, Norberto Kueffner and Ivan Arce from Core Security Technologies discovered this vulnerability.
Vulnerable: 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 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 10.1
Gentoo Linux
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
Asterisk Asterisk 1.2.8
Asterisk Asterisk 1.2.7
Asterisk Asterisk 1.2.6
Asterisk Asterisk 1.2 .0-beta2
Asterisk Asterisk 1.2 .0-beta1
Asterisk Asterisk 1.0.10
Asterisk Asterisk 1.0.9
Asterisk Asterisk 1.0.8
Asterisk Asterisk 1.0.7
Asterisk Asterisk 0.9 .0
Asterisk Asterisk 0.7.2
Asterisk Asterisk 0.7.1
Asterisk Asterisk 0.7 .0
Asterisk Asterisk 0.4
Asterisk Asterisk 0.3
Asterisk Asterisk 0.2
Asterisk Asterisk 0.1.9 -1
Asterisk Asterisk 0.1.9
Asterisk Asterisk 0.1.8
Asterisk Asterisk 0.1.7
Not Vulnerable: Asterisk Asterisk 1.2.9
Asterisk Asterisk 1.0.11

Discussion

Asterisk IAX2 Remote Buffer Overflow Vulnerability

Asterisk is prone to a remote buffer-overflow vulnerability. This issue is due to the application's failure to properly bounds-check user-supplied data before copying it to an insufficiently sized memory buffer.

This vulnerability allows remote attackers to execute arbitrary machine code in the context of the affected application. Failed exploit attempts will likely crash the server, denying further service to legitimate users.

Exploit / POC

Asterisk IAX2 Remote Buffer Overflow Vulnerability

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

Solution / Fix

Asterisk IAX2 Remote Buffer Overflow Vulnerability

Solution:
To address this issue, the vendor has released versions 1.0.11 (for the 1.0.x strain) and 1.2.9 (for the 1.2.x strain).

Please see the referenced vendor advisories for more information.


Asterisk Asterisk 1.0.10

Asterisk Asterisk 1.0.7

Asterisk Asterisk 1.0.8

Asterisk Asterisk 1.0.9

Asterisk Asterisk 1.2 .0-beta1

Asterisk Asterisk 1.2 .0-beta2

Asterisk Asterisk 1.2.6

Asterisk Asterisk 1.2.7

Asterisk Asterisk 1.2.8

References

Asterisk IAX2 Remote Buffer Overflow Vulnerability

References:
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