CVE-2018-14335

Publication date 24 July 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

An issue was discovered in H2 1.4.197. Insecure handling of permissions in the backup function allows attackers to read sensitive files (outside of their permissions) via a symlink to a fake database file.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
h2database	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Ignored
	22.10 kinetic	Ignored
	22.04 LTS jammy	Not affected
	21.10 impish	Ignored
	21.04 hirsute	Ignored
	20.10 groovy	Ignored
	20.04 LTS focal	Vulnerable
	19.10 eoan	Ignored
	19.04 disco	Ignored
	18.10 cosmic	Ignored
	18.04 LTS bionic	Vulnerable
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Not in release

Notes

yomonokio

Upstream states that H2 is not intended to be used outside a secure environment and that the web console affected should be running in production, as it is a debugging tool.

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N