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ORACLE SECURITY ALERT ADVISORY - CVE-2021-44228


DESCRIPTION

This Security Alert addresses CVE-2021-44228, a remote code execution
vulnerability in Apache Log4j. It is remotely exploitable without
authentication, i.e., may be exploited over a network without the need for a
username and password. It also addresses CVE-2021-45046, which arose as an
incomplete fix by Apache to CVE-2021-44228.

Due to the severity of this vulnerability and the publication of exploit code on
various sites, Oracle strongly recommends that customers apply the updates
provided by this Security Alert as soon as possible.


AFFECTED PRODUCTS AND PATCH INFORMATION

Security vulnerabilities addressed by this Security Alert affect the product
listed below. The product area is shown in the Patch Availability Document
column.

Please click on the links in the Patch Availability Document column below to
access the documentation for patch availability information and installation
instructions.

Affected Products and Versions Patch Availability Document Apache Log4j,
versions 2.0-2.15.0 My Oracle Support Document

Affected Products and Versions Patch Availability Document Apache Log4j,
versions 2.0-2.15.0 My Oracle Support Document


SECURITY ALERT SUPPORTED PRODUCTS AND VERSIONS

Patches released through the Security Alert program are provided only for
product versions that are covered under the Premier Support or Extended Support
phases of the Lifetime Support Policy. Oracle recommends that customers plan
product upgrades to ensure that patches released through the Security Alert
program are available for the versions they are currently running.

Product releases that are not under Premier Support or Extended Support are not
tested for the presence of vulnerabilities addressed by this Security Alert.
However, it is likely that earlier versions of affected releases are also
affected by these vulnerabilities. As a result, Oracle recommends that customers
upgrade to supported versions.

Database, Fusion Middleware, Oracle Enterprise Manager products are patched in
accordance with the Software Error Correction Support Policy explained in My
Oracle Support Note 209768.1. Please review the Technical Support Policies for
further guidelines regarding support policies and phases of support.


REFERENCES

 * Oracle Critical Patch Updates, Security Alerts and Bulletins
 * Oracle Critical Patch Updates and Security Alerts - Frequently Asked
   Questions
 * Risk Matrix Definitions
 * Use of Common Vulnerability Scoring System (CVSS) by Oracle
 * English text version of the risk matrices
 * CVRF XML version of the risk matrices
 * Map of CVE to Advisory/Alert
 * Oracle Lifetime support Policy
 * JEP 290 Reference Blocklist Filter


RISK MATRIX CONTENT

Risk matrices list only security vulnerabilities that are newly addressed by the
patches associated with this advisory. Risk matrices for previous security
patches can be found in previous Critical Patch Update advisories and Alerts. An
English text version of the risk matrices provided in this document is here.

Security vulnerabilities are scored using CVSS version 3.1 (see Oracle CVSS
Scoring for an explanation of how Oracle applies CVSS version 3.1).

Oracle conducts an analysis of each security vulnerability addressed by a
Security Alert. Oracle does not disclose detailed information about this
security analysis to customers, but the resulting Risk Matrix and associated
documentation provide information about the type of vulnerability, the
conditions required to exploit it, and the potential impact of a successful
exploit. Oracle provides this information, in part, so that customers may
conduct their own risk analysis based on the particulars of their product usage.
For more information, see Oracle vulnerability disclosure policies.

Oracle lists updates that address vulnerabilities in third-party components that
are not exploitable in the context of their inclusion in their respective Oracle
product beneath the product's risk matrix.

The protocol in the risk matrix implies that all of its secure variants (if
applicable) are affected as well. For example, if HTTP is listed as an affected
protocol, it implies that HTTPS (if applicable) is also affected. The secure
variant of a protocol is listed in the risk matrix only if it is the only
variant affected, e.g. HTTPS will typically be listed for vulnerabilities in SSL
and TLS.


CREDIT STATEMENT

The following people or organizations reported security vulnerabilities
addressed by this Security Alert to Oracle: None credited in this Security
Alert.


MODIFICATION HISTORY

Date Note 2021-December-17 Rev 3. Updated CVSS score for CVE-2021-45046
2021-December-15 Rev 2. Added CVE-2021-45046 2021-December-10 Rev 1. Initial
Release

Date Note 2021-December-17 Rev 3. Updated CVSS score for CVE-2021-45046
2021-December-15 Rev 2. Added CVE-2021-45046 2021-December-10 Rev 1. Initial
Release


 

THIRD PARTY COMPONENT RISK MATRIX

This Security Alert contains 2 new security patches for Third Party Component. 
Both of these vulnerabilities may be remotely exploitable without
authentication, i.e., may be exploited over a network without requiring user
credentials.  The English text form of this Risk Matrix can be found here.

CVE# Product Component Protocol Remote
Exploit
without
Auth.? CVSS VERSION 3.1 RISK (see Risk Matrix Definitions) Supported Versions
Affected Notes Base
Score Attack
Vector Attack
Complex Privs
Req'd User
Interact Scope Confid-
entiality Inte-
grity Avail-
ability CVE-2021-44228 Apache Log4j All Multiple Yes 10.0 Network Low None None
Changed High High High 2.0 - 2.14.1   CVE-2021-45046 Apache Log4j All Multiple
Yes 9.0 Network High None None Changed High High High 2.0 - 2.15.0  

CVE# Product Component Protocol Remote
Exploit
without
Auth.? CVSS VERSION 3.1 RISK (see Risk Matrix Definitions) Supported Versions
Affected Notes Base
Score Attack
Vector Attack
Complex Privs
Req'd User
Interact Scope Confid-
entiality Inte-
grity Avail-
ability CVE-2021-44228 Apache Log4j All Multiple Yes 10.0 Network Low None None
Changed High High High 2.0 - 2.14.1   CVE-2021-45046 Apache Log4j All Multiple
Yes 9.0 Network High None None Changed High High High 2.0 - 2.15.0  

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