CVE-2006-6334 EXPLOIT
6.8
MEDIUM · CVSS 2.0 · EPSS 34.8% (pctl 98)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 6.8 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| EPSS | 34.83% — more likely to be exploited than 98% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2006-12-08 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| citrix | presentation server client |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Citrix Presentation Server Client - 'WFICA.OCX' ActiveX Heap Buffer Overflow | 2008-02-12 |
References
- http://fortconsult.net/files/fortconsult.dk/citrix_advisory_dec2006.pdf
- http://secunia.com/advisories/23246
- http://securityreason.com/securityalert/1995
- http://securitytracker.com/id?1017343
- http://support.citrix.com/article/CTX111827
- http://www.citrix.com/English/SS/downloads/downloads.asp?dID=2755
- http://www.kb.cert.org/vuls/id/210969
- http://www.securityfocus.com/archive/1/453760/100/0/threaded
- http://www.securityfocus.com/bid/21458
- http://www.tippingpoint.com/security/advisories/TSRT-06-15.html
- http://www.vupen.com/english/advisories/2006/4865
- https://exchange.xforce.ibmcloud.com/vulnerabilities/30740
- https://www.exploit-db.com/exploits/5106
- http://fortconsult.net/files/fortconsult.dk/citrix_advisory_dec2006.pdf
- http://secunia.com/advisories/23246
- http://securityreason.com/securityalert/1995
- http://securitytracker.com/id?1017343
- http://support.citrix.com/article/CTX111827
- http://www.citrix.com/English/SS/downloads/downloads.asp?dID=2755
- http://www.kb.cert.org/vuls/id/210969
→ the Explorer · watch your stack · NVD