CVE-2007-3633

Chilkat Zip ActiveX Control - Absolute Path Traversal via SaveLastError Method

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-3633. PoCs published by shinnai.

AI-analyzed exploit summary This exploit leverages insecure methods in Chilkat Zip ActiveX (SaveLastError) to overwrite system.ini, demonstrating arbitrary file write vulnerability. It is a simple VBScript-based PoC targeting a specific ActiveX control.

Description

Absolute path traversal vulnerability in the Chilkat Software Chilkat Zip ActiveX control in ChilkatZip2.dll 12.4.2.0 allows remote attackers to create or overwrite arbitrary files via a full pathname in the argument to the (1) SaveLastError method and probably the (2) WriteExe method.

Exploits (1)

exploitdb WORKING POC VERIFIED
by shinnai · htmlremotewindows
https://www.exploit-db.com/exploits/4160

This exploit leverages insecure methods in Chilkat Zip ActiveX (SaveLastError) to overwrite system.ini, demonstrating arbitrary file write vulnerability. It is a simple VBScript-based PoC targeting a specific ActiveX control.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Chilkat Software Chilkat Zip ActiveX Component (ChilkatZip2.dll v. 12.4.2.0)
No auth needed
Prerequisites: ActiveX control must be installed and accessible · Victim must execute the malicious script (e.g., via phishing or compromised website)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (8)

Core 8
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/4160
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/37676
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/2464
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/48967
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/35294
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/25962
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/24806
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/48968

Scores

EPSS 0.0288
EPSS Percentile 85.0%

Details

Status published
Products (1)
chilkat_software/chilkat_zip_activex_control 12.4.2.0
Published Jul 10, 2007
Tracked Since Feb 18, 2026