CVE-2009-1915

ICQ 6.5 - Stack-based Buffer Overflow via Long URL Parameter in .URL File

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-1915. PoCs published by Nine:Situations:Group.

AI-analyzed exploit summary This exploit generates a malicious .URL file that triggers a buffer overflow in ICQToolBar.dll when processed by Windows Explorer, leading to a crash (DoS) or potential code execution on unpatched systems. The PoC leverages a stack-based overflow via an overly long URL field in the shortcut file.

Description

Stack-based buffer overflow in the URL Search Hook (ICQToolBar.dll) in ICQ 6.5 allows remote attackers to cause a denial of service (persistent crash) and possibly execute arbitrary code via an Internet shortcut .URL file containing a long URL parameter, which triggers a crash when browsing a folder that contains this file.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Nine:Situations:Group · phpdoswindows
https://www.exploit-db.com/exploits/8832

This exploit generates a malicious .URL file that triggers a buffer overflow in ICQToolBar.dll when processed by Windows Explorer, leading to a crash (DoS) or potential code execution on unpatched systems. The PoC leverages a stack-based overflow via an overly long URL field in the shortcut file.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: ICQ 6.5 (ICQToolBar.dll) on Windows XP SP3 / Windows 2003
No auth needed
Prerequisites: Victim must open a folder containing the malicious .URL file · ICQ 6.5 with vulnerable ICQToolBar.dll must be installed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/35150
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/50858
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/54893
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/8832
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/503935/100/0/threaded

Scores

EPSS 0.0495
EPSS Percentile 91.0%

Details

CWE
CWE-119
Status published
Products (1)
icq/icq 6.5
Published Jun 04, 2009
Tracked Since Feb 18, 2026