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CVE-2023-52389 UTF32Encoding.cpp of the POCO library Vulnerability
WNE Security Publisher
5/26/2024
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CVE-2023-52389 is a vulnerability identified in the UTF32Encoding.cpp of the POCO library. It involves an integer overflow and subsequent stack buffer overflow in the Poco::UTF32Encoding component. This occurs because the convert() and queryConvert() functions in Poco::UTF32Encoding can return a negative integer if a UTF-32 byte sequence evaluates to a value of 0x80000000 or higher. This vulnerability has been addressed in POCO versions 1.11.8p2, 1.12.5p2, and 1.13.0. As of now, a CVSS score for this vulnerability has not been provided by NVD analysts.
What is Affected by CVE-2023-52389
CVE-2023-52389 affects the POCO C++ Libraries, specifically the UTF32Encoding.cpp component in Poco::UTF32Encoding. This vulnerability could potentially impact any application or system that uses the affected versions of the POCO libraries for handling UTF-32 encoded data. Applications that rely on POCO for character encoding conversions, particularly involving UTF-32, are at risk of integer overflow and stack buffer overflow due to this vulnerability. It’s important for developers and system administrators to update to the fixed versions of the library to mitigate this risk.
CVE-2023-52389 Impact
The impact of CVE-2023-52389, the vulnerability in the POCO C++ Libraries, primarily includes the risk of integer overflow and stack buffer overflow. This can lead to potential security risks such as execution of arbitrary code, denial of service (DoS), or unauthorized access to sensitive data. Applications that use the affected versions of the POCO libraries for UTF-32 encoding conversions are particularly vulnerable. It’s crucial for developers and administrators to update the POCO libraries to the patched versions to mitigate these risks.
How to Resolve CVE-2023-52389
To resolve CVE-2023-52389, the vulnerability in POCO C++ Libraries, you should update the affected POCO library to one of the fixed versions: 1.11.8p2, 1.12.5p2, or 1.13.0. By upgrading to these versions, the integer overflow and stack buffer overflow issues in the UTF32Encoding.cpp component will be remedied, thereby mitigating the associated security risks.
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