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AMD Response to Log4j (Log4Shell) Vulnerability

Description

### Summary 1/17/2022 Update: AMD has completed our investigation of the Apache Log4j vulnerability. AMD believes no AMD products are affected. 12/15/2021: AMD is actively investigating potential impacts of the Apache Log4j vulnerability (Log4Shell) to AMD products. The description of the vulnerability, published by the national vulnerability database (NVD) states: CVE-2021-44228 Apache Log4j2 <=2.14.1 JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. From log4j 2.15.0, this behavior has been disabled by default. In previous releases (>2.10) this behavior can be mitigated by setting system property "log4j2.formatMsgNoLookups" to “true” or it can be mitigated in prior releases (<2.10) by removing the JndiLookup class from the classpath (example: zip -q -d log4j-core-*.jar org/apache/logging/log4j/core/lookup/JndiLookup.class). ### Affected Products Currently, no AMD products have been identified as affected. ### References 1. <https://logging.apache.org/log4j/2.x/security.html> 2. <https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44228> 3. <https://nvd.nist.gov/vuln/detail/CVE-2021-44228> DISCLAIMER The information contained herein is for informational purposes only and is subject to change without notice. While every precaution has been taken in the preparation of this document, it may contain technical inaccuracies, omissions and typographical errors, and AMD is under no obligation to update or otherwise correct this information. Advanced Micro Devices, Inc. makes no representations or warranties with respect to the accuracy or completeness of the contents of this document, and assumes no liability of any kind, including the implied warranties of noninfringement, merchantability or fitness for particular purposes, with respect to the operation or use of AMD hardware, software or other products described herein. Any computer system has risks of security vulnerabilities that cannot be completely prevented or mitigated. No license, including implied or arising by estoppel, to any intellectual property rights is granted by this document. Terms and limitations applicable to the purchase or use of AMD’s products are as set forth in a signed agreement between the parties or in AMD's Standard Terms and Conditions of Sale. AMD, the AMD Arrow logo, and combinations thereof are trademarks of Advanced Micro Devices, Inc. Other product names used in this publication are for identification purposes only and may be trademarks of their respective companies. © 2021 Advanced Micro Devices, Inc. All rights reserved.


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