high
8.8
CWE
434 502
Advisory Published
CVE Published
Updated

CVE-2021-39139: XStream is vulnerable to an Arbitrary Code Execution attack

First published: Sun Aug 22 2021(Updated: )

XStream is a simple library to serialize objects to XML and back again. In affected versions this vulnerability may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. A user is only affected if using the version out of the box with JDK 1.7u21 or below. However, this scenario can be adjusted easily to an external Xalan that works regardless of the version of the Java runtime. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. XStream 1.4.18 uses no longer a blacklist by default, since it cannot be secured for general purpose.

Credit: security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
redhat/xstream<0:1.3.1-16.el7_9
0:1.3.1-16.el7_9
debian/libxstream-java
1.4.11.1-1+deb10u3
1.4.11.1-1+deb10u4
1.4.15-3+deb11u2
1.4.20-1
redhat/xstream<1.4.18
1.4.18
Xstream Project Xstream<1.4.18
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Netapp Snapmanager Oracle
Netapp Snapmanager Sap
Oracle Business Activity Monitoring=12.2.1.4.0
Oracle Commerce Guided Search=11.3.2
Oracle Communications Billing And Revenue Management Elastic Charging Engine=11.3
Oracle Communications Billing And Revenue Management Elastic Charging Engine=12.0
Oracle Communications Cloud Native Core Automated Test Suite=1.9.0
Oracle Communications Cloud Native Core Binding Support Function=1.10.0
Oracle Communications Cloud Native Core Policy=1.14.0
Oracle Communications Unified Inventory Management=7.3.4
Oracle Communications Unified Inventory Management=7.3.5
Oracle Communications Unified Inventory Management=7.4.0
Oracle Communications Unified Inventory Management=7.4.1
Oracle Communications Unified Inventory Management=7.4.2
Oracle Retail Xstore Point of Service=16.0.6
Oracle Retail Xstore Point of Service=17.0.4
Oracle Retail Xstore Point of Service=18.0.3
Oracle Retail Xstore Point of Service=19.0.2
Oracle Retail Xstore Point of Service=20.0.1
Oracle Utilities Framework=4.2.0.2.0
Oracle Utilities Framework=4.2.0.3.0
Oracle Utilities Framework=4.3.0.1.0
Oracle Utilities Framework=4.3.0.6.0
Oracle Utilities Framework=4.4.0.0.0
Oracle Utilities Framework=4.4.0.2.0
Oracle Utilities Framework=4.4.0.3.0
Oracle Utilities Testing Accelerator=6.0.0.1.1
Oracle WebCenter Portal=12.2.1.3.0
Oracle WebCenter Portal=12.2.1.4.0

Remedy

https://www.oracle.com/security-alerts/cpuapr2022.html

Remedy

https://www.oracle.com/security-alerts/cpujan2022.html

Remedy

https://www.oracle.com/security-alerts/cpujul2022.html

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-39139?

    CVE-2021-39139 is a vulnerability in the XStream library that allows a remote attacker to load and execute arbitrary code from a remote host by manipulating the input stream.

  • How does CVE-2021-39139 impact users?

    Users are affected if they are using XStream version 1.3.1-16.el7_9 or version 1.4.18.

  • What is the severity of CVE-2021-39139?

    CVE-2021-39139 has a severity rating of 8.5 (high).

  • How can I fix CVE-2021-39139?

    To fix CVE-2021-39139, users should update XStream to version 1.4.18 or apply the remedy package 0:1.3.1-16.el7_9.

  • Where can I find more information about CVE-2021-39139?

    More information about CVE-2021-39139 can be found at the following references: [CVE-2021-39139](https://www.cve.org/CVERecord?id=CVE-2021-39139), [NVD](https://nvd.nist.gov/vuln/detail/CVE-2021-39139), [GitHub Security Advisory](https://github.com/x-stream/xstream/security/advisories/GHSA-64xx-cq4q-mf44), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=1997763), [Red Hat Advisory](https://access.redhat.com/errata/RHSA-2022:0520).

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