SB2022011818 - Multiple vulnerabilities in Apache Log4j

Description

This security bulletin contains information about 2 vulnerabilities.

1) Deserialization of Untrusted Data (CVE-ID: CVE-2022-23302)

CWE-ID: CWE-502 - Deserialization of Untrusted Data

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

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

The vulnerability exists due to insecure input validation when processing serialized data in JMSSink. A remote attacker can provide a TopicConnectionFactoryBindingName configuration causing JMSSink to perform JNDI requests and execute arbitrary code on the target system.

Note, a non-default configuration with support for JMSSink is required to exploit this vulnerability.

2) SQL injection (CVE-ID: CVE-2022-23305)

CWE-ID: CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data in the JDBCAppender. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Note, a non-default configuration with enabled JDBCAppender is required to exploit the vulnerability.

Remediation

Install update from vendor's website.

References

• https://lists.apache.org/thread/bsr3l5qz4g0myrjhy9h67bcxodpkwj4w
• https://logging.apache.org/log4j/1.2/index.html
• https://lists.apache.org/thread/pt6lh3pbsvxqlwlp4c5l798dv2hkc85y