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CVE-2021-44832

Good to know:

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Date: December 28, 2021

Apache Log4j2 versions 2.0-beta7 through 2.17.0 (excluding security fix releases 2.3.2 and 2.12.4) are vulnerable to a remote code execution (RCE) attack when a configuration uses a JDBC Appender with a JNDI LDAP data source URI when an attacker has control of the target LDAP server. This issue is fixed by limiting JNDI data source names to the java protocol in Log4j2 versions 2.17.1, 2.12.4, and 2.3.2.

Language: Java

Severity Score

Related Resources (16)

https://nvd.nist.gov/vuln/detail/CVE-2021-44832
https://cert-portal.siemens.com/productcert/pdf/ssa-784507.pdf
https://lists.debian.org/debian-lts-announce/2021/12/msg00036.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EVV25FXL4FU5X6X5BSL7RLQ7T6F65MRA/
https://security.netapp.com/advisory/ntap-20220104-0001/
https://www.oracle.com/security-alerts/cpujan2022.html
https://lists.apache.org/thread/s1o5vlo78ypqxnzn6p8zf6t9shtq5143
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-44832
https://security-tracker.debian.org/tracker/CVE-2021-44832
http://www.openwall.com/lists/oss-security/2021/12/28/1
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujul2022.html
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbd
https://issues.apache.org/jira/browse/LOG4J2-3293
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T57MPJUW3MA6QGWZRTMCHHMMPQNVKGFC/
https://www.mend.io/vulnerability-database/CVE-2021-44832

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Injection

CWE-74

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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