CVE-2009-0871

Severity Score

3.5

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk Business Edition C.2.3, with the pedantic option enabled, allows remote authenticated users to cause a denial of service (crash) via a SIP INVITE request without any headers, which triggers a NULL pointer dereference in the (1) sip_uri_headers_cmp and (2) sip_uri_params_cmp functions.

El controlador de canal SIP en Asterisk Open Source v1.4.22, v1.4.23, y v1.4.23.1; v1.6.0 anterior a v1.6.0.6; v1.6.1 anterior a v1.6.1.0-rc2; y Asterisk Business Edition C.2.3, con la opción "pedantic" activada, permite a usuarios autenticados remotamente provocar una denegación de servicio (caída) a travñes de una petición SIP INVITE sin cabecera, lo que dispara una deferencia a puntero NULL en las funciones (1) sip_uri_headers_cmp y(2) sip_uri_params_cmp.

*Credits: N/A

CVSS Scores

NISTv2 3.5

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-03-11 CVE Reserved
2009-03-11 CVE Published
2024-07-08 EPSS Updated
2024-08-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (9)

URL	Tag	Source
http://bugs.digium.com/view.php?id=13547	X_refsource_confirm
http://bugs.digium.com/view.php?id=14417	X_refsource_confirm
http://osvdb.org/52568	Vdb Entry
http://www.securityfocus.com/archive/1/501656/100/0/threaded	Mailing List
http://www.securitytracker.com/id?1021834	Vdb Entry
http://www.vupen.com/english/advisories/2009/0667	Vdb Entry

URL	Date	SRC

URL	Date	SRC
http://downloads.digium.com/pub/security/AST-2009-002.html	2018-10-10
http://www.securityfocus.com/bid/34070	2018-10-10

URL	Date	SRC
http://secunia.com/advisories/34229	2018-10-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.4.22 Search vendor "Digium" for product "Asterisk" and version "1.4.22"		-		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.4.23 Search vendor "Digium" for product "Asterisk" and version "1.4.23"		-		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.4.23.1 Search vendor "Digium" for product "Asterisk" and version "1.4.23.1"		-		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		-		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		beta1		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		beta2		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		beta3		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		beta4		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		beta5		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		beta6		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		beta7		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		beta7.1		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		beta8		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		beta9		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		rc4		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		rc5		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0 Search vendor "Digium" for product "Asterisk" and version "1.6.0"		rc6		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0.1 Search vendor "Digium" for product "Asterisk" and version "1.6.0.1"		-		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0.2 Search vendor "Digium" for product "Asterisk" and version "1.6.0.2"		-		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0.3 Search vendor "Digium" for product "Asterisk" and version "1.6.0.3"		-		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0.3 Search vendor "Digium" for product "Asterisk" and version "1.6.0.3"		rc1		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0.4 Search vendor "Digium" for product "Asterisk" and version "1.6.0.4"		rc1		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.0.5 Search vendor "Digium" for product "Asterisk" and version "1.6.0.5"		-		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.1 Search vendor "Digium" for product "Asterisk" and version "1.6.1"		-		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.1 Search vendor "Digium" for product "Asterisk" and version "1.6.1"		beta1		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.1 Search vendor "Digium" for product "Asterisk" and version "1.6.1"		beta2		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.1 Search vendor "Digium" for product "Asterisk" and version "1.6.1"		beta3		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.1 Search vendor "Digium" for product "Asterisk" and version "1.6.1"		beta4		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				1.6.1 Search vendor "Digium" for product "Asterisk" and version "1.6.1"		rc1		Affected
Digium Search vendor "Digium"		Asterisk Search vendor "Digium" for product "Asterisk"				c.2.3 Search vendor "Digium" for product "Asterisk" and version "c.2.3"		business		Affected