Sunday, May 30, 2021

CVE-2021-29505

Description

### Impact The vulnerability may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. ### Patches If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.17. ### Workarounds See [workarounds](https://x-stream.github.io/security.html#workaround) for the different versions covering all CVEs. ### References See full information about the nature of the vulnerability and the steps to reproduce it in XStream's documentation for [CVE-2021-xxxxx](https://x-stream.github.io/CVE-2021-xxxxx.html). ### Credits V3geB1rd, white hat hacker from Tencent Security Response Center found and reported the issue to XStream and provided the required information to reproduce it. ### 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) * Email us at [XStream Google Group](https://groups.google.com/group/xstream-user)

References to Advisories, Solutions, and Tools


References to Advisories, Solutions, and Tools

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Resourcehttps://github.com/x-stream/xstream/security/advisories/GHSA-7chv-rrw6-w6fc
 

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