SB2025100118 - Multiple vulnerabilities in IBM Log Analysis
Published: October 1, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Deserialization of Untrusted Data (CVE-ID: CVE-2025-27819)
CWE-ID: CWE-502 - Deserialization of Untrusted Data
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can pass specially crafted data to the application and perform a denial of service attack.
2) Deserialization of Untrusted Data (CVE-ID: CVE-2023-25194)
CWE-ID: CWE-502 - Deserialization of Untrusted Data
CVSSv4: 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
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 update from vendor's website.