Cisco IP Phone 7940/7960 TCP SYN memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IP Phone 7940/7960. It has been rated as critical. Affected by this issue is some unknown functionality of the component TCP SYN Handler. This manipulation causes memory corruption. This vulnerability is handled as CVE-2006-0179. Additionally, an exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Cisco IP Phone 7940/7960 (IP Phone Software). Affected by this vulnerability is an unknown function of the component TCP SYN Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:

The Cisco IP Phone 7940 allows remote attackers to cause a denial of service (reboot) via a large amount of TCP SYN packets (syn flood) to arbitrary ports, as demonstrated to port 80.

The weakness was released 01/13/2006 by Knud Erik Højgaard (Website). The advisory is shared at cisco.com. This vulnerability is known as CVE-2006-0179 since 01/11/2006. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by kokanin and been published even before and not after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cisco.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (24117), Exploit-DB (1411), SecurityFocus (BID 16200†), OSVDB (22469†) and Secunia (SA18479†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: kokanin
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: cisco.com

Timelineinfo

01/10/2006 🔍
01/10/2006 +0 days 🔍
01/10/2006 +0 days 🔍
01/11/2006 +1 days 🔍
01/11/2006 +0 days 🔍
01/13/2006 +2 days 🔍
01/13/2006 +0 days 🔍
01/16/2006 +3 days 🔍
01/23/2006 +6 days 🔍
01/01/2025 +6918 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Researcher: Knud Erik Højgaard
Status: Confirmed

CVE: CVE-2006-0179 (🔍)
GCVE (CVE): GCVE-0-2006-0179
GCVE (VulDB): GCVE-100-1981
X-Force: 24117 - Cisco IP Phone SYN flood denial of service, Medium Risk
SecurityFocus: 16200 - Cisco IP Phone 7940 Remote Denial of Service Vulnerability
Secunia: 18479 - Cisco IP Phones SYN Flood Device Reload Vulnerability, Less Critical
OSVDB: 22469 - Cisco 79xx IP Phone SYN Flood Device Reboot Remote DoS
SecurityTracker: 1015488 - Cisco 7940/7960 IP Phones Can Be Crashed by Remote Users
Vupen: ADV-2006-0202

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/23/2006 10:56
Updated: 01/01/2025 06:10
Changes: 01/23/2006 10:56 (60), 08/19/2016 12:59 (25), 01/01/2025 06:10 (21)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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