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vendor:
Windows 7
by:
Google Security Research
7,8
CVSS
HIGH
Use-After-Free
416
CWE
Product Name: Windows 7
Affected Version From: Windows 7 32-bit
Affected Version To: Windows 7 32-bit
Patch Exists: NO
Related CWE: N/A
CPE: N/A
Metasploit: N/A
Other Scripts: N/A
Tags: N/A
CVSS Metrics: N/A
Nuclei References: N/A
Nuclei Metadata: N/A
Platforms Tested: Windows
2015

Use-After-Free Condition with Bitmaps in the Clipboard

This PoC triggers a crash on Windows 7 32-bit with Special Pool enabled on win32k.sys. The kernel crashes due to a use-after-free condition with bitmaps in the clipboard. Multiple PoC executions and simulated system activity may be required to trigger this issue.

Mitigation:

Enabling Special Pool on win32k.sys can help mitigate this vulnerability.
Source

Exploit-DB raw data:

Source: https://code.google.com/p/google-security-research/issues/detail?id=533

This PoC triggers a crash on Windows 7 32-bit with Special Pool enabled on win32k.sys. The kernel crashes due to a use-after-free condition with bitmaps in the clipboard.
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Note that multiple PoC executions and simulated system activity may be required to trigger this issue.


Proof of Concept:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/39027.zip

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