CVE-2019-5068 Missing authorization in Mesa 3D X11 Graphics library

Medium 5.1 Published 5 Nov 2019 Updated 4 Aug 2024

An attacker can access shared memory without specific permissions in the Mesa 3D Graphics Library, leading to unauthorized data access.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2019-5068?

CVE-2019-5068 is a medium-severity missing authorization vulnerability in Canonical Ubuntu Linux, published on 5 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An exploitable shared memory permissions vulnerability exists in the functionality of X11 Mesa 3D Graphics Library 19.1.2. An attacker can access the shared memory without any specific permissions to trigger this vulnerability.

Weakness: CWE-732, CWE-277

Which versions are affected by CVE-2019-5068?

It affects 4 products.

Linux distribution packages (28)

`Mesa` SUSE:Linux Enterprise Desktop 12 SP4	All versions	`18.0.2-8.3.2`
`Mesa-drivers` SUSE:Linux Enterprise Desktop 12 SP4	All versions	`18.0.2-8.3.2`
`Mesa` SUSE:Linux Enterprise Module for Basesystem 15	All versions	`18.0.2-27.6.1`
`Mesa-drivers` SUSE:Linux Enterprise Module for Basesystem 15	All versions	`18.0.2-27.6.1`
`Mesa` SUSE:Linux Enterprise Module for Basesystem 15 SP1	All versions	`18.3.2-34.9.1`
`Mesa-drivers` SUSE:Linux Enterprise Module for Basesystem 15 SP1	All versions	`18.3.2-34.9.1`
`Mesa` SUSE:Linux Enterprise Module for Package Hub 15 SP1	All versions	`18.3.2-34.9.1`
`Mesa` SUSE:Linux Enterprise Server 12 SP2-BCL	All versions	`11.2.1-104.9.49`
`Mesa` SUSE:Linux Enterprise Server 12 SP4	All versions	`18.0.2-8.3.2`
`Mesa-drivers` SUSE:Linux Enterprise Server 12 SP4	All versions	`18.0.2-8.3.2`
`Mesa` SUSE:Linux Enterprise Server 12 SP5	All versions	`18.3.2-14.3.2`
`Mesa-drivers` SUSE:Linux Enterprise Server 12 SP5	All versions	`18.3.2-14.3.2`
`Mesa` SUSE:Linux Enterprise Server for SAP Applications 12 SP4	All versions	`18.0.2-8.3.2`
`Mesa-drivers` SUSE:Linux Enterprise Server for SAP Applications 12 SP4	All versions	`18.0.2-8.3.2`
`Mesa` SUSE:Linux Enterprise Server for SAP Applications 12 SP5	All versions	`18.3.2-14.3.2`
`Mesa-drivers` SUSE:Linux Enterprise Server for SAP Applications 12 SP5	All versions	`18.3.2-14.3.2`
`Mesa` SUSE:Linux Enterprise Software Development Kit 12 SP4	All versions	`18.0.2-8.3.2`
`Mesa-drivers` SUSE:Linux Enterprise Software Development Kit 12 SP4	All versions	`18.0.2-8.3.2`
`Mesa` SUSE:Linux Enterprise Software Development Kit 12 SP5	All versions	`11.2.1-104.9.49`
`Mesa` SUSE:Linux Enterprise Software Development Kit 12 SP5	All versions	`18.3.2-14.3.2`
`Mesa-drivers` SUSE:Linux Enterprise Software Development Kit 12 SP5	All versions	`18.3.2-14.3.2`
`Mesa` SUSE:Linux Enterprise Workstation Extension 12 SP4	All versions	`18.0.2-8.3.2`
`Mesa` SUSE:Linux Enterprise Workstation Extension 12 SP5	All versions	`18.3.2-14.3.2`
`Mesa-drivers` SUSE:Linux Enterprise Workstation Extension 12 SP5	All versions	`18.3.2-14.3.2`
`Mesa-drivers` SUSE:Linux Enterprise Workstation Extension 15	All versions	`18.0.2-27.6.1`
`Mesa-drivers` SUSE:Linux Enterprise Workstation Extension 15 SP1	All versions	`18.3.2-34.9.1`
`Mesa` openSUSE:Leap 15.1	All versions	`18.3.2-lp151.23.9.1`
`Mesa-drivers` openSUSE:Leap 15.1	All versions	`18.3.2-lp151.23.9.1`

Products include Canonical Ubuntu Linux, Debian Debian Linux, Mesa3d Mesa, Opensuse Leap.

How do I fix CVE-2019-5068?

Apply the vendor's patch.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-5068 being exploited?

There is no known exploitation of CVE-2019-5068 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-5068, DLA-1993-1, GHSA-rrg9-xrw3-h9vv, SUSE-SU-2020:0111-1, SUSE-SU-2020:0111-2, SUSE-SU-2020:0132-1 and 7 more.