CVE-2018-10196 Null dereference in n/a

Medium 5.5 Published 30 May 2018 Updated 5 Aug 2024

Remote attackers can cause a denial of service via a crafted file due to a null pointer dereference in the Graphviz dotgen library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2018-10196?

CVE-2018-10196 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 30 May 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

NULL pointer dereference vulnerability in the rebuild_vlists function in lib/dotgen/conc.c in the dotgen library in Graphviz 2.40.1 allows remote attackers to cause a denial of service (application crash) via a crafted file.

Weakness: CWE-476

Which versions are affected by CVE-2018-10196?

It affects 3 products.

Linux distribution packages (18)

`graphviz-plugins` SUSE:Linux Enterprise High Availability Extension 11 SP4	All versions	`2.20.2-8.3.6`
`graphviz-plugins` SUSE:Linux Enterprise High Availability Extension 12 SP3	All versions	`2.28.0-29.3.17`
`graphviz-plugins` SUSE:Linux Enterprise High Availability Extension 12 SP4	All versions	`2.28.0-29.3.17`
`graphviz-plugins` SUSE:Linux Enterprise High Availability Extension 12 SP5	All versions	`2.28.0-29.3.17`
`graphviz-addons` SUSE:Linux Enterprise High Availability Extension 15	All versions	`2.40.1-6.6.8`
`graphviz-addons` SUSE:Linux Enterprise High Availability Extension 15 SP1	All versions	`2.40.1-6.6.8`
`graphviz` SUSE:Linux Enterprise Module for Basesystem 15 SP1	All versions	`2.40.1-6.6.4`
`graphviz-addons` SUSE:Linux Enterprise Module for Development Tools 15 SP1	All versions	`2.40.1-6.6.8`
`graphviz-addons` SUSE:Linux Enterprise Module for Server Applications 15 SP1	All versions	`2.40.1-6.6.8`
`graphviz` SUSE:Linux Enterprise Server 12 SP5	All versions	`2.28.0-29.3.8`
`graphviz-plugins` SUSE:Linux Enterprise Server 12 SP5	All versions	`2.28.0-29.3.17`
`graphviz` SUSE:Linux Enterprise Server for SAP Applications 12 SP5	All versions	`2.28.0-29.3.8`
`graphviz-plugins` SUSE:Linux Enterprise Server for SAP Applications 12 SP5	All versions	`2.28.0-29.3.17`
`graphviz` SUSE:Linux Enterprise Software Development Kit 12 SP5	All versions	`2.28.0-29.3.8`
`graphviz` openSUSE:Leap 15.1	All versions	`2.40.1-lp151.6.6.1`
`graphviz-addons` openSUSE:Leap 15.1	All versions	`2.40.1-lp151.6.6.1`
`graphviz` openSUSE:Leap 15.2	All versions	`2.40.1-lp152.7.7.1`
`graphviz-addons` openSUSE:Leap 15.2	All versions	`2.40.1-lp152.7.7.1`

Products include Canonical Ubuntu Linux, Fedoraproject Fedora, Graphviz Graphviz.

How do I fix CVE-2018-10196?

Apply the vendor's patch.

Is CVE-2018-10196 being exploited?

There is no known exploitation of CVE-2018-10196 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-10196, GHSA-9jm3-9x6p-8q48, MGASA-2018-0307, SUSE-SU-2020:14524-1, SUSE-SU-2020:2346-1, SUSE-SU-2020:3090-1 and 3 more.