Vulnerability CVE-2008-5558 - CERT Civis.Net

Vulnerability Name:

CVE-2008-5558 (CCN-47261)

Assigned:

2008-12-09

Published:

2008-12-09

Updated:

2018-10-11

Summary:

Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows remote attackers to cause a denial of service (crash) via authentication attempts involving (1) an unknown user or (2) a user using hostname matching.

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:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
3.2 Low (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P/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): Partial

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: MITRE
Type: CNA
CVE-2008-5558

Source: CCN
Type: AST-2008-012
Remote crash vulnerability in IAX2

Source: CONFIRM
Type: UNKNOWN
http://downloads.digium.com/pub/security/AST-2008-012.html

Source: OSVDB
Type: UNKNOWN
50675

Source: CCN
Type: SA32956
Asterisk IAX2 User Authentication Denial of Service

Source: SECUNIA
Type: Vendor Advisory
32956

Source: SECUNIA
Type: UNKNOWN
34982

Source: GENTOO
Type: UNKNOWN
GLSA-200905-01

Source: SREASON
Type: UNKNOWN
4769

Source: CCN
Type: SECTRACK ID: 1021378
Asterisk Realtime Configuration API Bug Lets Remote Users Deny Service

Source: CCN
Type: GLSA-200905-01
Asterisk: Multiple vulnerabilities

Source: CCN
Type: OSVDB ID: 50675
Asterisk IAX2 Realtime Hostname Handling User Authentication Remote DoS

Source: BUGTRAQ
Type: UNKNOWN
20081210 AST-2008-012: Remote crash vulnerability in IAX2

Source: BID
Type: UNKNOWN
32773

Source: CCN
Type: BID-32773
Asterisk IAX2 Unauthenticated Session Handling Remote Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1021378

Source: VUPEN
Type: UNKNOWN
ADV-2008-3403

Source: XF
Type: UNKNOWN
asterisk-realtimeiax2-dos(47261)

Vulnerable Configuration:

Configuration 1:

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

OR cpe:/a:asterisk:asterisk_business_edition:b.2.3.5:*:*:*:*:*:*:*

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

OR cpe:/a:asterisk:asterisk_business_edition:b.2.5.1:*:*:*:*:*:*:*

OR cpe:/a:asterisk:asterisk_business_edition:b.2.5.3:*:*:*:*:*:*:*

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:1.2.29:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.30:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.30.2:*:*:*:*:*:*:*

OR cpe:/a:asterisk:open_source:1.2.30.3:*:*:*:*:*:*:*

Configuration CCN 1:

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

OR cpe:/a:digium:asterisk:b.2.5.3:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:b.2.3.5:-:business:*:*:*:*:*

OR cpe:/a:digium:asterisk:b.2.3.6:-:business:*:*:*:*:*

AND

cpe:/o:gentoo:linux:*:*:*:*:*:*:*:*

Denotes that component is vulnerable