#VU72123 Deserialization of Untrusted Data in Apache Kafka - CVE-2023-25194

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Main Vulnerability Database Vulnerabilities #VU72123

#VU72123 Deserialization of Untrusted Data in Apache Kafka - CVE-2023-25194

Published: February 11, 2023 / Updated: April 19, 2024


Vulnerability identifier: #VU72123
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2023-25194
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
Apache Kafka
Software vendor:
Apache Foundation

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to Apache Kafka Connect performs deserialization of data retrieved from the configured LDAP server in "com.sun.security.auth.module.JndiLoginModule". A remote user ability to create/modify connectors on the server with an arbitrary Kafka client SASL JAAS config can configure the server to connect to a malicious LDAP server and execute arbitrary Java code on the system.


Remediation

Install updates from vendor's website, which disables the problematic login modules usage in SASL JAAS configuration.

It is also recommended to validate connector configurations and only allow trusted JNDI configurations.


External links