CVE-2018-14036 Path traversal in n/a

Medium 6.5 Published 13 Jul 2018 Updated 5 Aug 2024

An attacker can read arbitrary files via directory traversal in AccountsService due to insufficient path checks.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-14036?

CVE-2018-14036 is a medium-severity path traversal vulnerability in n/a, published on 13 Jul 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Directory Traversal with ../ sequences occurs in AccountsService before 0.6.50 because of an insufficient path check in user_change_icon_file_authorized_cb() in user.c.

Weakness: CWE-22

Which versions are affected by CVE-2018-14036?

It affects 1 product.

Linux distribution packages (9)

`accountsservice` SUSE:Linux Enterprise Desktop 12 SP4	All versions	`0.6.42-16.8.3`
`accountsservice` SUSE:Linux Enterprise Module for Desktop Applications 15	All versions	`0.6.45-6.7.6`
`accountsservice` SUSE:Linux Enterprise Server 12 SP4	All versions	`0.6.42-16.8.3`
`accountsservice` SUSE:Linux Enterprise Server 12 SP5	All versions	`0.6.42-16.8.3`
`accountsservice` SUSE:Linux Enterprise Server for SAP Applications 12 SP4	All versions	`0.6.42-16.8.3`
`accountsservice` SUSE:Linux Enterprise Server for SAP Applications 12 SP5	All versions	`0.6.42-16.8.3`
`accountsservice` SUSE:Linux Enterprise Software Development Kit 12 SP4	All versions	`0.6.42-16.8.3`
`accountsservice` SUSE:Linux Enterprise Software Development Kit 12 SP5	All versions	`0.6.42-16.8.3`
`accountservice` openSUSE:Tumbleweed	All versions	`0.6.55-8.2`

Products include Freedesktop Accountsservice.

How do I fix CVE-2018-14036?

Upgrade to a fixed version.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2018-14036 being exploited?

There is no known exploitation of CVE-2018-14036 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-14036, GHSA-2pjf-fjvv-2rf2, SUSE-SU-2018:3625-1, SUSE-SU-2019:2778-1, UBUNTU-CVE-2018-14036, openSUSE-SU-2024:10611-1.