Vulnerability CVE-2008-1923 - CERT Civis.Net

Vulnerability Name:

CVE-2008-1923 (CCN-42049)

Assigned:

2008-04-22

Published:

2008-04-22

Updated:

2017-08-08

Summary:

The IAX2 channel driver (chan_iax2) in Asterisk 1.2 before revision 72630 and 1.4 before revision 65679, when configured to allow unauthenticated calls, sends "early audio" to an unverified source IP address of a NEW message, which allows remote attackers to cause a denial of service (traffic amplification) via a spoofed NEW message.

CVSS v3 Severity:

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

7.1 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C)
5.3 Medium (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

Vulnerability Consequences:

Denial of Service

References:

Source: CONFIRM
Type: UNKNOWN
http://bugs.digium.com/view.php?id=10078

Source: MITRE
Type: CNA
CVE-2008-1923

Source: CCN
Type: AST-2008-006
3-way handshake in IAX2 incomplete

Source: CONFIRM
Type: UNKNOWN
http://downloads.digium.com/pub/security/AST-2008-006.html

Source: MISC
Type: UNKNOWN
http://www.altsci.com/concepts/page.php?s=asteri&p=1

Source: CCN
Type: Asterisk Web site
Asterisk :: The Open Source PBX & Telephony Platform

Source: CCN
Type: OSVDB ID: 44648
Asterisk IAX2 Channel Driver (chan_iax2) Spoofed NEW Message Remote DoS

Source: CCN
Type: OSVDB ID: 44649
Asterisk Open Source IAX2 Channel Driver (chan_iax2) Spoofed ACK Response Handshake Remote DoS

Source: XF
Type: UNKNOWN
asterisk-new-dos(42049)

Source: XF
Type: UNKNOWN
asterisk-new-dos(42049)

Vulnerable Configuration:

Configuration 1:

cpe:/a:asterisk:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:a:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:b.1.3.2:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:b.1.3.3:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:b.2.2.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:b.2.2.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:b.2.3.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:b.2.3.2:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:b.2.3.3:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:b.2.3.4:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:b.2.5.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:* (Version <= b2.5.1)

OR cpe:/a:asterisk:asterisk_business_edition:c.1.0-beta7:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:c.1.0-beta8:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:c.1.0beta7:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:c.1.6.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:* (Version <= c1.8.0)

OR cpe:/a:asterisk:asterisknow:1.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisknow:1.0.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisknow:*:*:*:*:*:*:*:* (Version <= 1.0.2)

OR cpe:/a:asterisk:open_source:1.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.2:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.3:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.4:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.5:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.6:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.7:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.8:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.9:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.11:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.11.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.0.12:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.2:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.3:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.3:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.4:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.4:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.5:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.5:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.6:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.6:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.7:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.7:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.7.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.7.1:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.8:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.8:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.9:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.9.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.9.1:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.10:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.10:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.11:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.11:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.12:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.12:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.12.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.13:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.13:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.14:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.14:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.15:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.15:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.16:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.16:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.17:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.17:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.18:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.18:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.19:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.19:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.20:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.20:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.21:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.21:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.21.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.21.1:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.22:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.22:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.23:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.23:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.24:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.24:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.25:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.25:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.26:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.26:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.26.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.26.1:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.26.2:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.26.2:netsec:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.27:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.28:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.0:beta2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.0:beta3:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.0:beta4:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.2:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.3:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.4:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.5:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.6:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.7:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.7.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.8:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.9:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.10:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.10.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.11:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.12:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.12.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.13:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.14:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.15:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.16:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.16.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.16.2:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.17:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.18:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.18.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.19:rc1:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.19:rc2:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.19:rc3:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.4.19:rc4:*:*:*:*:*:*

OR cpe:/a:asterisk:s800i:1.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:s800i:1.0.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:s800i:1.0.2:*:*:*:*:*:*:*

OR cpe:/a:asterisk:s800i:1.0.3:*:*:*:*:*:*:*

OR cpe:/a:asterisk:s800i:1.0.3.3:*:*:*:*:*:*:*

OR cpe:/a:asterisk:s800i:1.1.0:*:*:*:*:*:*:*

OR cpe:/a:asterisk:s800i:1.1.0.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:s800i:*:*:*:*:*:*:*:* (Version <= 1.1.0.2)

Configuration CCN 1:

cpe:/a:digium:asterisk:b.2.5.1:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:a:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:b.1.3.2:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:b.1.3.3:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:b.2.2.0:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:b.2.2.1:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:b.2.3.1:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:b.2.3.2:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:b.2.3.3:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:b.2.3.4:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:b.2.5.0:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:c.1.6.1:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:c.1.8.0:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk_appliance_developer_kit:0.5.0:*:*:*:*:*:*:*

Denotes that component is vulnerable