Ubuntu update for h2database

Published: 2022-04-06 | Updated: 2022-07-10

Risk	Critical
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-42392 CVE-2022-23221
CWE-ID	CWE-502
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software Subscribe	Ubuntu Operating systems & Components / Operating system libh2-java (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Deserialization of Untrusted Data

EUVDB-ID: #VU61937

Risk: Critical

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-42392

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

Exploit availability: Yes

Description

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 within the org.h2.util.JdbcUtils.getConnection method. A remote attacker can pass a JNDI driver name and a URL leading to a LDAP or RMI servers and execute arbitrary code on the system.

Mitigation

Update the affected package h2database to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 21.10

libh2-java (Ubuntu package): before 1.4.197-4+deb10u1build0.21.10.1

External links

http://ubuntu.com/security/notices/USN-5365-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Deserialization of Untrusted Data

EUVDB-ID: #VU61938

Risk: High