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    Debian: DSA-4811-1: libxstream-java security update

    Date 15 Dec 2020
    311
    Posted By LinuxSecurity Advisories
    It was discovered that the default blacklist of XStream, a Java library to serialise objects to XML and back again, was vulnerable to the execution of arbitrary shell commands by manipulating the processed input stream.
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    Debian Security Advisory DSA-4811-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                       Moritz Muehlenhoff
    December 15, 2020                     https://www.debian.org/security/faq
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    Package        : libxstream-java
    CVE ID         : CVE-2020-26217
    
    It was discovered that the default blacklist of XStream, a Java library
    to serialise objects to XML and back again, was vulnerable to the
    execution of arbitrary shell commands by manipulating the processed
    input stream.
    
    For additional defense-in-depth it is recommended to switch to the
    whitelist approach of XStream's security framework. For additional
    information please refer to
    https://github.com/x-stream/xstream/security/advisories/GHSA-mw36-7c6c-q4q2
    
    For the stable distribution (buster), this problem has been fixed in
    version 1.4.11.1-1+deb10u1.
    
    We recommend that you upgrade your libxstream-java packages.
    
    For the detailed security status of libxstream-java please refer to
    its security tracker page at:
    https://security-tracker.debian.org/tracker/libxstream-java
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    

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