CVE-2008-4922

DjVu ActiveX Control for Microsoft Office - Buffer Overflow via ImageURL Property

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2008-4922. PoCs published by Metasploit, Shahriyar Jalayeri, including Metasploit module exploits/windows/fileformat/djvu_imageurl.

AI-analyzed exploit summary This exploit targets a stack buffer overflow in DjVu ActiveX Component (DjVu_ActiveX_MSOffice.dll 3.0) via an overly long string to the ImageURL() property. It generates an HTML file with embedded JavaScript to trigger the vulnerability and execute arbitrary shellcode.

Description

Buffer overflow in the DjVu ActiveX Control 3.0 for Microsoft Office (DjVu_ActiveX_MSOffice.dll) allows remote attackers to execute arbitrary code via a long (1) ImageURL property, and possibly the (2) Mode, (3) Page, or (4) Zoom properties.

Exploits (3)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/16638

This exploit targets a stack buffer overflow in DjVu ActiveX Component (DjVu_ActiveX_MSOffice.dll 3.0) via an overly long string to the ImageURL() property. It generates an HTML file with embedded JavaScript to trigger the vulnerability and execute arbitrary shellcode.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: DjVu ActiveX Component (DjVu_ActiveX_MSOffice.dll 3.0)
No auth needed
Prerequisites: Victim must open the malicious HTML file in a vulnerable browser with the DjVu ActiveX control installed
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Shahriyar Jalayeri · htmlremotewindows
https://www.exploit-db.com/exploits/6878

This exploit targets a buffer overflow vulnerability in DjVu ActiveX Control (DjVu_ActiveX_MSOffice.dll) via the ImageURL property. It combines SEH overwrite and heap spraying techniques to achieve remote code execution by executing a calc.exe payload.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: DjVu ActiveX Control 3.0 for Microsoft Office (DjVu_ActiveX_MSOffice.dll)
No auth needed
Prerequisites: Victim must have DjVu ActiveX Control 3.0 installed · Victim must visit a malicious webpage or open a malicious HTML file
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC LOW
rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/djvu_imageurl.rb

This Metasploit module exploits a stack buffer overflow in DjVu ActiveX Component (DjVu_ActiveX_MSOffice.dll 3.0) via an overly long string to the ImageURL() property, allowing arbitrary code execution. It generates an HTML file with obfuscated JavaScript to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: DjVu_ActiveX_MSOffice.dll 3.0
No auth needed
Prerequisites: Target must have the vulnerable DjVu ActiveX control installed and enabled in Internet Explorer
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/6878
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/31987
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/4560
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/46214
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2008/2956

Scores

EPSS 0.3275
EPSS Percentile 98.1%

Details

CWE
CWE-119
Status published
Products (1)
djvu/activex_control_for_microsoft_office_2000
Published Nov 04, 2008
Tracked Since Feb 18, 2026