96083 : Lenovo ThinkPad QCtray.exe Path Subversion Arbitrary DLL Injection Code Execution
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Timeline

Disclosure Date
2013-08-07

Description

Lenovo ThinkPad is prone to a flaw in the way it loads dynamic-link libraries (DLL), such as mfc71enu.dll and mfc71loc.dll. QCtray.exe uses a fixed path to look for specific files or libraries. This path includes directories that may not be trusted or under user control. By placing a custom version of the file or library in the path, the program will load it before the legitimate version. This allows a local attacker to inject custom code that will be run with the privilege of the program or user executing the program. This attack can be leveraged remotely in some cases by placing the malicious file or library on a network share or extracted archive downloaded from a remote source. This can be done by tricking a user into opening a .loc file from the local file system or a USB drive in some cases. This attack scenario is certainly possible, but rare.

Classification

Location: Context Dependent
Attack Type: Misconfiguration
Impact: Loss of Integrity
Solution: Solution Unknown
Exploit: Exploit Private
Disclosure: Third-party Verified, No Vendor Action

Solution

OSVDB is not currently aware of a solution for this vulnerability.

Products

Lenovo
ThinkPad
Unspecified
ThinkVantage Access Connections
6.01

References

Credit

CVSSv2 Score

NVD does not currently have a CVSSv2 score assigned.

Comments

No Comments.

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