CVE-2006-6334

Citrix Presentation Server Client - 'WFICA.OCX' ActiveX Heap Buffer Overflow

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Heap-based buffer overflow in the SendChannelData function in wfica.ocx in Citrix Presentation Server Client before 9.230 for Windows allows remote malicious web sites to execute arbitrary code via a DataSize parameter that is less than the length of the Data buffer.

Desbordamiento de búfer basado en montón en la función SendChannelData en wfica.ocx de Citrix Presentation Server Client versiones anteriores a 9.230 para Windows permite a sitios web remotos maliciosos ejecutar código de su elección mediante un parámetro DataSize que es menor que la longitud del búfer Data.

A vulnerability allows attackers to execute arbitrary code on vulnerable installations of Citrix Presentation Server Client for Windows versions below 9.230. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2006-12-06 CVE Reserved
2006-12-07 CVE Published
2008-02-13 First Exploit
2024-08-07 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (14)

URL	Tag	Source
http://fortconsult.net/files/fortconsult.dk/citrix_advisory_dec2006.pdf	X_refsource_misc
http://securityreason.com/securityalert/1995	Third Party Advisory
http://www.kb.cert.org/vuls/id/210969	Third Party Advisory
http://www.securityfocus.com/archive/1/453760/100/0/threaded	Mailing List
http://www.vupen.com/english/advisories/2006/4865	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/30740	Vdb Entry

URL	Date	SRC
https://packetstorm.news/files/id/63580	2008-02-13
https://www.exploit-db.com/exploits/5106	2024-08-07
http://support.citrix.com/article/CTX111827	2024-08-07
http://www.tippingpoint.com/security/advisories/TSRT-06-15.html	2024-08-07

URL	Date	SRC
http://securitytracker.com/id?1017343	2018-10-17
http://www.citrix.com/English/SS/downloads/downloads.asp?dID=2755	2018-10-17

URL	Date	SRC
http://secunia.com/advisories/23246	2018-10-17
http://www.securityfocus.com/bid/21458	2018-10-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Citrix Search vendor "Citrix"		Presentation Server Client Search vendor "Citrix" for product "Presentation Server Client"				<= 9.200 Search vendor "Citrix" for product "Presentation Server Client" and version " <= 9.200"		windows		Affected