CVE-2009-4761

Mini-stream RM Downloader - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2009-4761. PoCs published by ThE g0bL!N, Stack.

AI-analyzed exploit summary This exploit targets a local stack overflow vulnerability in RM Downloader via a malformed .smi file. It uses a JMP ESP instruction from kernel32.dll to redirect execution to a calc.exe payload encoded with PexAlphaNum.

Description

Stack-based buffer overflow in Mini-stream RM Downloader allows remote attackers to execute arbitrary code via a long string in a .smi file.

Exploits (2)

exploitdb WORKING POC VERIFIED
by ThE g0bL!N · pythonlocalwindows
https://www.exploit-db.com/exploits/8589

This exploit targets a local stack overflow vulnerability in RM Downloader via a malformed .smi file. It uses a JMP ESP instruction from kernel32.dll to redirect execution to a calc.exe payload encoded with PexAlphaNum.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: RM Downloader (version unspecified)
No auth needed
Prerequisites: Victim must open the malformed .smi file
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Stack · perllocalwindows
https://www.exploit-db.com/exploits/8594

This exploit targets a buffer overflow vulnerability in RM Downloader via a maliciously crafted .smi file. It uses a universal return address and shellcode to achieve remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: RM Downloader (version not specified)
No auth needed
Prerequisites: Victim must open the malicious .smi file with RM Downloader
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/50266
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/34794
Exploit, Third Party Advisory exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/8594
Exploit, Third Party Advisory exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/8589

Scores

EPSS 0.0558
EPSS Percentile 91.9%

Details

CWE
CWE-119
Status published
Products (1)
mini-stream/rm_downloader
Published Mar 29, 2010
Tracked Since Feb 18, 2026