CVE-2007-4459

Cisco IP Phone 7940 - 10 SIP Messages Remote Denial of Service

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.7(0), allows remote attackers to cause a denial of service (device reboot) via (1) a certain sequence of 10 invalid SIP INVITE and OPTIONS messages; or (2) a certain invalid SIP INVITE message that contains a remote tag, followed by a certain set of two related SIP OPTIONS messages.

Cisco IP Phone 7940 y 7960 con versión de firmware P0S3-08-6-00, y otro SIP versiones de firmware anteriores a 8.7(0), permite a atacantes remotos causar una denegación de servicio (reinicio del dispositivo) por medio de (1) una cierta secuencia de 10 mensajes SIP INVITE y OPTIONS no válidos; o (2) un determinado mensaje SIP INVITE no válido que contiene una etiqueta remota, seguido por un cierto ajuste de dos mensajes SIP OPTIONS relacionados.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2007-08-21 CVE Reserved
2007-08-21 CVE Published
2007-08-21 First Exploit
2024-08-07 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-20: Improper Input Validation

CAPEC

References (12)

URL	Tag	Source
http://lists.grok.org.uk/pipermail/full-disclosure/2007-August/065401.html	Mailing List
http://lists.grok.org.uk/pipermail/full-disclosure/2007-August/065402.html	Mailing List
http://securityreason.com/securityalert/3042	Third Party Advisory
http://securitytracker.com/id?1018591	Vdb Entry
http://www.osvdb.org/36695	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/36125	Vdb Entry

URL	Date	SRC
https://www.exploit-db.com/exploits/4298	2007-08-21
https://www.exploit-db.com/exploits/4297	2007-08-21
http://www.securityfocus.com/bid/25378	2024-08-07

URL	Date	SRC
http://secunia.com/advisories/26547	2017-07-29

URL	Date	SRC
http://www.cisco.com/warp/public/707/cisco-sr-20070821-sip.shtml	2017-07-29
http://www.vupen.com/english/advisories/2007/2928	2017-07-29

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"		Voip Phone Cp-7940 Search vendor "Cisco" for product "Voip Phone Cp-7940"				<= 8.70 Search vendor "Cisco" for product "Voip Phone Cp-7940" and version " <= 8.70"		p0s3-08-6-00_firmware		Affected
Cisco Search vendor "Cisco"		Voip Phone Cp-7940 Search vendor "Cisco" for product "Voip Phone Cp-7940"				3.0 Search vendor "Cisco" for product "Voip Phone Cp-7940" and version "3.0"		p0s3-08-6-00_firmware		Affected
Cisco Search vendor "Cisco"		Voip Phone Cp-7940 Search vendor "Cisco" for product "Voip Phone Cp-7940"				3.1 Search vendor "Cisco" for product "Voip Phone Cp-7940" and version "3.1"		p0s3-08-6-00_firmware		Affected
Cisco Search vendor "Cisco"		Voip Phone Cp-7940 Search vendor "Cisco" for product "Voip Phone Cp-7940"				3.2 Search vendor "Cisco" for product "Voip Phone Cp-7940" and version "3.2"		p0s3-08-6-00_firmware		Affected
Cisco Search vendor "Cisco"		Voip Phone Cp-7940 Search vendor "Cisco" for product "Voip Phone Cp-7940"				8.6 Search vendor "Cisco" for product "Voip Phone Cp-7940" and version "8.6"		p0s3-08-6-00_firmware		Affected
Cisco Search vendor "Cisco"		Voip Phone Cp-7960 Search vendor "Cisco" for product "Voip Phone Cp-7960"				<= 8.70 Search vendor "Cisco" for product "Voip Phone Cp-7960" and version " <= 8.70"		p0s3-08-6-00_firmware		Affected