Use-of-Uninitialized-Value Vulnerability in pcapplusplus Package
Summary
OSV-2025-374: Use-of-uninitialized-value in pcpp::SomeIpSdEntry::SomeIpSdEntry. Affects pcapplusplus versions >= 813f15b87f5e76a62d64360f8cbdf449c21316e4. No fix is published. How to fix ↓
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Background
pcapplusplus is an open-source library designed for packet capture and analysis, providing developers with tools to work with network packets in a user-friendly manner. It supports various protocols and is widely used in network analysis applications. However, like many software libraries, it is susceptible to vulnerabilities that can lead to crashes or unexpected behavior, particularly when handling uninitialized values.
Vulnerability Detail
The vulnerability identified as OSV-2025-374 is a use-of-uninitialized-value issue found in the pcpp::SomeIpSdEntry::SomeIpSdEntry constructor. This flaw can lead to crashes during runtime, specifically when the library attempts to access uninitialized memory. The crash occurs in the getEntries method of the SomeIpSdLayer class, which is part of the packet parsing process. If exploited, this vulnerability could disrupt applications relying on pcapplusplus for packet analysis, potentially leading to data loss or service interruptions.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
Currently, there are no specific workarounds mentioned for this vulnerability. It is recommended to apply the patch as soon as it is available to mitigate risks.
Conclusion
The use-of-uninitialized-value vulnerability in the pcapplusplus package poses a significant risk to applications relying on this library for packet analysis. It is crucial for developers to update to the latest version to ensure the stability and security of their applications. Utilizing tools like Vulert can help in monitoring and identifying such vulnerabilities in real-time.
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FAQ
The vulnerability is a use-of-uninitialized-value issue that can cause crashes in applications using the pcapplusplus library.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Exploitation of this vulnerability can lead to application crashes, data loss, and service interruptions, affecting the reliability of network analysis tools.
Yes, a patched version of the pcapplusplus package is available. Users should update to the latest version to mitigate the vulnerability.
If immediate updating is not possible, monitor your application closely for crashes and consider isolating the affected components until a patch can be applied.
References
Related vulnerabilities
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