Vulnerabilities > CVE-2021-44228 - Deserialization of Untrusted Data vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH network
low complexity
siemens
apache
intel
debian
fedoraproject
sonicwall
netapp
cisco
snowsoftware
bentley
percussion
apple
CWE-502
critical
Summary
Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) 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. From version 2.16.0 (along with 2.12.2, 2.12.3, and 2.3.1), this functionality has been completely removed. Note that this vulnerability is specific to log4j-core and does not affect log4net, log4cxx, or other Apache Logging Services projects.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Related news
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- CISA orders federal agencies to patch Log4Shell by December 24th (source)
- Apache dusts off, nukes insecure feature at the heart of Log4j from orbit with v2.16 (source)
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- Apache’s Fix for Log4Shell Can Lead to DoS Attacks (source)
- SAP Kicks Log4Shell Vulnerability Out of 20 Apps (source)
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- Apache Issues 3rd Patch to Fix New High-Severity Log4j Vulnerability (source)
- New Local Attack Vector Expands the Attack Surface of Log4j Vulnerability (source)
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- CISA releases Apache Log4j scanner to find vulnerable apps (source)
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- New Apache Log4j Update Released to Patch Newly Discovered Vulnerability (source)
- FTC warns companies to secure consumer data from Log4J attacks (source)
- January 2022 Patch Tuesday forecast: Old is new again (source)
- NHS warns of hackers exploiting Log4Shell in VMware Horizon (source)
- Four million outdated Log4j downloads were served from Apache Maven Central alone despite vuln publicity blitz (source)
- Night Sky ransomware uses Log4j bug to hack VMware Horizon servers (source)
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- ‘Long Live Log4Shell’: CVE-2021-44228 Not Dead Yet (source)
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- Lazarus exploit Log4Shell vulnerability to deliver novel RAT malware (source)
References
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