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CVE-2022-40151: New OSS-Fuzz Findings in xstream · Issue #304 · x-stream/xstream

Those using Xstream to seralize XML data may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow. This effect may support a denial of service attack.

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#vulnerability#google#dos

Dear xstream maintainers,

Multiple bugs(Stackoverflows) were found during fuzzing by Jazzer in xstream. We would like to provide you with access to the bugs at Google OSS-Fuzz before they get publicly disclosed.

What do we need from you?

We need an email address that is associated with a Google Account as per Accept new projects. In the past we have already contacted you during the onboarding of your project, but the request was rejected or no email was shared with us.

What do you get by sharing your email address?

When a bug is found, you will receive an email that will provide you with access to ClusterFuzz, crash reports, code coverage reports and fuzzer statistics. Each finding will have a crashing input that you can use to easily reproduce the bug.

Attention: All bug details will be made public automatically after the deadline of 90 days has exceeded or after the fix is released. For projects without maintainers we will do our best to support the disclosure process. Depending on our resources we will try to create an issues for every bug in your public issues tracker. In addition, we will request CVEs for security related vulnerabilities.

Please let me know if you have any questions regarding fuzzing or the OSS-Fuzz integration.

Thank you for your reading and hope to hear from you soon!

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### Impact The vulnerability may allow a remote attacker to terminate the application with a stack overflow error resulting in a denial of service only by manipulating the processed input stream. ### Patches XStream 1.4.20 handles the stack overflow and raises an InputManipulationException instead. ### Workarounds The only solution is to catch the StackOverflowError in the client code calling XStream. ### References See full information about the nature of the vulnerability and the steps to reproduce it in XStream's documentation for [CVE-2022-40151](https://x-stream.github.io/CVE-2022-40151.html). ### Credits The vulnerability was discovered and reported by Henry Lin of the Google OSS-Fuzz team. ### For more information If you have any questions or comments about this advisory: * Open an issue in [XStream](https://github.com/x-stream/xstream/issues) * Contact us at [XStream Google Group](https://groups.google.com/group/xstream-user)

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Those using Xstream to seralize XML data may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow. This effect may support a denial of service attack.

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