CVE-2008-3878

Ultra Office Control <2.0.2008.801 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2008-3878. PoCs published by Metasploit, shinnai, shinnai, jduck, including Metasploit module exploits/windows/browser/ultraoffice_httpupload.

AI-analyzed exploit summary This exploit targets a stack-based buffer overflow in Ultra Shareware Office Control's ActiveX component via the 'HttpUpload' method. It uses heap spraying to execute shellcode, bypassing input restrictions.

Description

Stack-based buffer overflow in the Ultra.OfficeControl ActiveX control in OfficeCtrl.ocx 2.0.2008.801 in Ultra Shareware Ultra Office Control allows remote attackers to execute arbitrary code via long strUrl, strFile, and strPostData parameters to the HttpUpload method.

Exploits (3)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/16513

This exploit targets a stack-based buffer overflow in Ultra Shareware Office Control's ActiveX component via the 'HttpUpload' method. It uses heap spraying to execute shellcode, bypassing input restrictions.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Ultra Shareware Office Control ActiveX (v2.0.0.1020, v2.0.2008.801)
No auth needed
Prerequisites: Victim must visit a malicious webpage hosting the exploit · ActiveX control must be installed and enabled
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by shinnai · htmlremotewindows
https://www.exploit-db.com/exploits/6318

This exploit targets a buffer overflow vulnerability in the Ultra Office ActiveX Control (CVE-2008-3878) by crafting a malicious input to trigger remote code execution. It uses heap spraying and shellcode to achieve arbitrary code execution on vulnerable systems.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Ultra Office ActiveX Control (clsid:00989888-BB72-4E31-A7C6-5F819C24D2F7)
No auth needed
Prerequisites: Vulnerable version of Ultra Office ActiveX Control installed · Internet Explorer or a browser that supports ActiveX
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC GOOD
by shinnai, jduck · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/ultraoffice_httpupload.rb

This Metasploit module exploits a stack-based buffer overflow in Ultra Shareware Office Control's 'HttpUpload' method via a heap-spray technique to achieve remote code execution. The exploit leverages ActiveX and JavaScript obfuscation to bypass input restrictions.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Ultra Shareware Office Control ActiveX (v2.0.0.1020, v2.0.2008.801)
No auth needed
Prerequisites: Target must have vulnerable ActiveX control installed · Target must visit malicious webpage
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Exploit, URL Repurposed x_refsource_misc
http://www.shinnai.net/xplits/TXT_RvfuIrwypWLMaiVn33Iy.html
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/6318
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/31632
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/4200
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/44749
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/30861

Scores

EPSS 0.7193
EPSS Percentile 98.8%

Details

CWE
CWE-119
Status published
Products (1)
ultrashareware/ultra_office_control 2.0.2008.801
Published Sep 02, 2008
Tracked Since Feb 18, 2026