eCentrex VOIP Client module ActiveX (uacomx.ocx) buffer overflow

ecentrex-uacomx-bo (36129)

High Risk

Description:

The eCentrex VOIP Client ActiveX control (uacomx.ocx) is vulnerable to a stack-based buffer overflow. By persuading a victim to visit a specially-crafted Web page that passes an overly long username argument to the ReInit method, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the victim's browser to crash.

*CVSS:

Base Score:	9.3
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	8.4
Exploitability:	Functional
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

No remedy available as of February 6, 2010.

References:

• eCentrex Web site: eCentrex VOIP Client module.
• BID-25383: eCentrex VOIP Client UACOMX.OCX ActiveX Control Buffer Overflow Vulnerability
• CVE-2007-4489: Buffer overflow in the IUAComFormX ActiveX control in uacomx.ocx 2.0.1 in the eCentrex VOIP Client module allows remote attackers to execute arbitrary code via a long Username argument to the ReInit method.
• SA26525: eCentrex VOIP Client Component ActiveX Control Buffer Overflow
• SECTRACK ID: 1018596: eCentrex Web Phone Buffer Overflow in `uacomx.ocx` ActiveX Control Lets Remote Users Execute Arbitrary Code
• VUPEN/ADV-2007-2954: eCentrex VOIP Client ActiveX Control ReInit() Command Execution Vulnerability

Platforms Affected:

• Ecentrex Pte eCentrex VOIP Client module 2.0.1

Reported:

Aug 21, 2007

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email xforce@iss.net

Return to the main page

* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

About IBM Internet Security Systems

IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.