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Suggest Exploit
vendor:
Windows 7
by:
Project Zero
8,8
CVSS
HIGH
Out-of-bounds write
787
CWE
Product Name: Windows 7
Affected Version From: Windows 7
Affected Version To: Windows 7
Patch Exists: YES
Related CWE: N/A
CPE: o:microsoft:windows_7
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
2017

Out-of-bounds write

This vulnerability is an out-of-bounds write vulnerability in Windows 7 64-bit. It occurs when an application attempts to write to an unmapped memory region. On 32-bit Windows 7, it triggers a null pointer read.

Mitigation:

Microsoft has released a patch to address this vulnerability.
Source

Exploit-DB raw data:

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=707

The attached testcases crashes Windows 7 64-bit while attempting to write to an unmapped memory region. On 32-bit Windows 7 it triggers a null pointer read.


Proof of Concept:
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/39712.zip