CVE-2005-0308

W32Dasm 8.93 and earlier - Buffer Overflow via Large Import or Export Function Name

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2005-0308. PoCs published by Metasploit, aushack, including Metasploit module exploits/windows/fileformat/ursoft_w32dasm.

AI-analyzed exploit summary This exploit targets a buffer overflow in URSoft W32Dasm Disassembler <= v8.93 by crafting a malicious file that triggers arbitrary code execution when disassembled. It uses a stack-based overflow to redirect execution to shellcode via a JMP ESP instruction in kernel32.dll.

Description

Buffer overflow in the wsprintf function in W32Dasm 8.93 and earlier allows remote attackers to execute arbitrary code via a large import or export function name.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Metasploit · rubylocalwindows
https://www.exploit-db.com/exploits/16645

This exploit targets a buffer overflow in URSoft W32Dasm Disassembler <= v8.93 by crafting a malicious file that triggers arbitrary code execution when disassembled. It uses a stack-based overflow to redirect execution to shellcode via a JMP ESP instruction in kernel32.dll.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: URSoft W32Dasm <= v8.93
No auth needed
Prerequisites: Victim must open the malicious file in a vulnerable version of W32Dasm
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC GOOD
by aushack · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/ursoft_w32dasm.rb

This Metasploit module exploits a buffer overflow in URSoft W32Dasm <= v8.93 by crafting a malicious file that triggers arbitrary code execution when disassembled. The exploit leverages a stack-based overflow in the Imports/Exports function to achieve local code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: URSoft W32Dasm <= v8.93
No auth needed
Prerequisites: Vulnerable version of W32Dasm installed · User interaction to open the malicious file
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/12352
Mailing List mailing-list x_refsource_bugtraq
http://marc.info/?l=bugtraq&m=110661194108205&w=2
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/13986
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1012997
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/19044

Scores

EPSS 0.6388
EPSS Percentile 99.1%

Details

Status published
Products (1)
ursoftware/w32dasm 8.94
Published Jan 24, 2005
Tracked Since Feb 18, 2026