Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 515
Alerts This Week
Warning Icon 1 515

Critical H2 Code Vulnerability in Ubuntu 16.04 & 18.04 USN-6834-1 Alert

ubuntu
Calendar Grey June 13, 2024
Scroller Ubuntu
H2 database on Ubuntu 18.04 and 16.04 faces critical vulnerabilities allowing unauthorized code execution. Update immediately to secure your system
H2 could be made to allow arbitrary code execution.

Summary

H2 could be made to allow arbitrary code execution.

Software Description:

- h2database: H2 Database Engine

Details:

It was discovered that H2 was vulnerable to deserialization of

untrusted data. An attacker could possibly use this issue to

execute arbitrary code. (CVE-2021-42392)

It was discovered that H2 incorrectly handled some specially

crafted connection URLs. An attacker could possibly use this

issue to execute arbitrary code. (CVE-2022-23221)

Topics%20covered

Topics Covered

security advisory critical code execution update instructions arbitrary code ubuntu h2database

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS
   libh2-java                      1.4.196-2ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   libh2-java                      1.4.191-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6834-1

  CVE-2021-42392, CVE-2022-23221

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6834-1

Topics%20covered

Topics Covered

security advisory critical code execution update instructions arbitrary code ubuntu h2database

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.