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QtWeb Browser version 3.3 build 043 Insecure DLL Hijacking Vulnerability (wintab32.dll)
The QtWeb Browser application is vulnerable to Insecure DLL Hijacking
Vulnerability. Similar terms that describe this vulnerability
have been come up with Remote Binary Planting, and Insecure DLL
2. PRODUCT DESCRIPTION
QtWeb Browser is a lightweight, secure and portable browser having
unique user interface and privacy features that
fills the gaps in most of players on browsers market
It's open source project based on Nokia's Qt framework and Apple's
WebKit rendering engine used in Apple Safari
and Google Chrome.
3. VULNERABILITY DESCRIPTION
The QtWeb Browser application passes an insufficiently qualified path
in loading an external library, "wintab32.dll"
when a user opens its associated file with extensions - htm, html, mhtml.
4. VERSIONS AFFECTED
3.3 build 043 and lower
Attackers can trigger a successful exploit against a victim user in a
number of ways such as placing a malicious external
library file made as hidden attribute and a seemingly interesting file
in network shares, usb drives, file sharing networks,
social networks, ..etc
Fixed version from the vendor has not been released yet.
However, it is suggested that the following workarounds be deployed by
users to protect increasing mass exploitation of this
- Disable loading of libraries from WebDAV and remote network shares
- Disable the WebClient service
Please see workaround solution links in References section.
LogicWare & LSoft Technologies
This vulnerability was discovered by Aung Khant, http://yehg.net, YGN
Ethical Hacker Group, Myanmar.
10. DISCLOSURE TIME-LINE
08-29-2010: vulnerability discovered
08-29-2010: notified vendor
08-29-2010: vulnerability disclosed
Original Advisory URL:
Workaround Solution: http://support.microsoft.com/kb/2264107
Unofficial DLL Hijacking List:
YGN Ethical Hacker Group
Our Lab | http://yehg.net/lab
Our Directory | http://yehg.net/hwd