CVE-2009-0187

Orbit Downloader <2.8.5 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2009-0187. PoCs published by Metasploit, JavaGuru, MC, including Metasploit module exploits/windows/browser/orbit_connecting.

AI-analyzed exploit summary This exploit targets a stack buffer overflow in Orbit Downloader 2.8.4 via a malicious web page, allowing arbitrary code execution. It uses a crafted HTML page with an ActiveX object to trigger the vulnerability.

Description

Stack-based buffer overflow in Orbit Downloader 2.8.2 and 2.8.3, and possibly other versions before 2.8.5, allows remote attackers to execute arbitrary code via a crafted HTTP URL with a long host name, which is not properly handled when constructing a "Connecting" log message.

Exploits (3)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/16569

This exploit targets a stack buffer overflow in Orbit Downloader 2.8.4 via a malicious web page, allowing arbitrary code execution. It uses a crafted HTML page with an ActiveX object to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Orbit Downloader 2.8.4
No auth needed
Prerequisites: Victim must visit a malicious web page · Orbit Downloader 2.8.4 installed on victim's system
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by JavaGuru · htmlremotewindows
https://www.exploit-db.com/exploits/8118

This exploit leverages a buffer overflow vulnerability in Orbit Downloader <=2.8.4 by crafting a long hostname with embedded shellcode to execute calc.exe. The payload uses a JMP ESP address from kernel32.dll and Alpha2-encoded shellcode to bypass character restrictions.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Orbit Downloader <=2.8.4
No auth needed
Prerequisites: Victim must use Firefox and have Orbit Downloader installed · Victim must interact with the malicious link
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC NORMAL
by MC · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/browser/orbit_connecting.rb

This Metasploit module exploits a stack buffer overflow in Orbit Downloader 2.8.4 via a malicious web page, allowing arbitrary code execution. It uses a crafted HTTP response with a long string to trigger the overflow and execute the payload.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Orbit Downloader 2.8.4
No auth needed
Prerequisites: Victim must visit a malicious web page · Orbit Downloader 2.8.4 installed on victim's system
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (7)

Core 7
Core References
Patch, Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2009/0521
Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/33894
Vendor Advisory x_refsource_misc
http://secunia.com/secunia_research/2009-9/
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/48932
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/52294
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/501220/100/0/threaded
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/33843

Scores

EPSS 0.7341
EPSS Percentile 98.8%

Details

CWE
CWE-119
Status published
Products (3)
orbitdownloader/orbit_downloader 2.8.2
orbitdownloader/orbit_downloader 2.8.3
orbitdownloader/orbit_downloader 2.8.4
Published Feb 26, 2009
Tracked Since Feb 18, 2026