CVE-2020-18032: Buffer Overflow
First published: Thu Apr 29 2021(Updated: )
Buffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by loading a crafted file into the "lib/common/shapes.c" component.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/graphviz | 2.40.1-6+deb10u1 2.42.2-5 2.42.2-7 | |
| Graphviz Graphviz | <2.46.0 | |
| Debian GNU/Linux | =9.0 | |
| Debian GNU/Linux | =10.0 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 |
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Reference Links
- https://gitlab.com/graphviz/graphviz/-/issues/1700
- https://security-tracker.debian.org/tracker/CVE-2020-18032
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-18032
- https://gitlab.com/graphviz/graphviz/-/commit/784411ca3655c80da0f6025ab20634b2a6ff696b
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=988000
- https://lists.debian.org/debian-lts-announce/2021/05/msg00014.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D5PQPHJHPU46FK3R5XBP3XDT4X37HMPC/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGY2IGARE6RZHTF2UEZEWLMQCDILFK6A/
- https://security.gentoo.org/glsa/202107-04
- https://www.debian.org/security/2021/dsa-4914
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D5PQPHJHPU46FK3R5XBP3XDT4X37HMPC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGY2IGARE6RZHTF2UEZEWLMQCDILFK6A/
Frequently Asked Questions
What is the severity of CVE-2020-18032?
CVE-2020-18032 is classified as a high severity vulnerability due to its potential for remote code execution and application crashes.
How do I fix CVE-2020-18032?
To resolve CVE-2020-18032, you should upgrade to Graphviz versions 2.40.1-6+deb10u1, 2.42.2-5, or later than 2.46.0.
What systems are affected by CVE-2020-18032?
CVE-2020-18032 affects multiple versions of Graphviz, specifically those prior to 2.46.0 as well as Debian 9 and 10.
What types of attacks can CVE-2020-18032 facilitate?
CVE-2020-18032 can enable attackers to execute arbitrary code or cause denial of service by exploiting a buffer overflow.
Is there a specific component in Graphviz that CVE-2020-18032 targets?
The vulnerability CVE-2020-18032 specifically targets the 'lib/common/shapes.c' component of Graphviz.
- collector/debian-bugs
- alias/CVE-2020-18032
- collector/security-tracker-debian
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/references
- agent/last-modified-date
- agent/severity
- agent/author
- agent/weakness
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- package-manager/debian
- vendor/graphviz
- canonical/graphviz graphviz
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/9.0
- version/debian gnu/linux/10.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34