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6.8

Hummingbird Xweb ActiveX control can run unwanted code

CVE-2008-4729 · published 18 years ago
Summary

The Xweb ActiveX control used in Hummingbird Exceed and Exceed PowerSuite versions up to 13.0 can be tricked into running malicious code if an attacker supplies an overly long password value. This could let an attacker take control of a user's computer when the control is used in a web page. Update to the latest version or disable the ActiveX control to protect your systems.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
hummingbird exceed <= 13.0
9.0
10.0
2006
2007
cpe:2.3:a:hummingbird:exceed:*:*:*:*:*:*:*:*
hummingbird exceed_powersuite All versions
cpe:2.3:a:hummingbird:exceed_powersuite:*:*:*:*:*:*:*:*
Original advisory text
Stack-based buffer overflow in Hummingbird.XWebHostCtrl.1 ActiveX control (hclxweb.dll) in Hummingbird Xweb ActiveX Control 13.0 and earlier allows remote attackers to execute arbitrary code via a ...
Stack-based buffer overflow in Hummingbird.XWebHostCtrl.1 ActiveX control (hclxweb.dll) in Hummingbird Xweb ActiveX Control 13.0 and earlier allows remote attackers to execute arbitrary code via a long PlainTextPassword property. NOTE: code execution might not be possible in 13.0.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.8 Medium
Exploitation
7% chance of attack within 30 days
Type
CWE-119Buffer Overflow
Timeline
Published24 Oct 2008
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2008-4729 · NVD
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