Vulnerability · Published Apr 29, 2021 · Assigned by mitre
CVE-2020-18032
High 7.8
In plain English
A high-severity security flaw in the graphviz package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.6% (higher than 85% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)2.6%top 14.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | graphviz | 2.40.1-43.el8 | ALSA-2021:4256 |
| AlmaLinux:8 | graphviz-devel | 2.40.1-43.el8 | ALSA-2021:4256 |
| AlmaLinux:8 | graphviz-doc | 2.40.1-43.el8 | ALSA-2021:4256 |
| AlmaLinux:8 | graphviz-gd | 2.40.1-43.el8 | ALSA-2021:4256 |
| AlmaLinux:8 | graphviz-python3 | 2.40.1-43.el8 | ALSA-2021:4256 |
| Alpine:v3.20 | graphviz | 2.46.0-r0 | ALPINE-CVE-2020-18032 |
| Alpine:v3.21 | graphviz | 2.46.0-r0 | ALPINE-CVE-2020-18032 |
| Alpine:v3.22 | graphviz | 2.46.0-r0 | ALPINE-CVE-2020-18032 |
| Alpine:v3.23 | graphviz | 2.46.0-r0 | ALPINE-CVE-2020-18032 |
| Alpine:v3.24 | graphviz | 2.46.0-r0 | ALPINE-CVE-2020-18032 |
| Debian:12 | graphviz | 2.42.2-5 | DEBIAN-CVE-2020-18032 |
| Debian:13 | graphviz | 2.42.2-5 | DEBIAN-CVE-2020-18032 |
| Debian:14 | graphviz | 2.42.2-5 | DEBIAN-CVE-2020-18032 |
| Rocky Linux:8 | graphviz | 0:2.40.1-43.el8 | RLSA-2021:4256 |
Affected products (as reported)
References
- https://gitlab.com/graphviz/graphviz/-/issues/1700 x_refsource_MISC
- [debian-lts-announce] 20210513 [SECURITY] [DLA 2659-1] graphviz security update mailing-list, x_refsource_MLIST
- DSA-4914 vendor-advisory, x_refsource_DEBIAN
- FEDORA-2021-5fb7be1fbf vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-ede783f2b6 vendor-advisory, x_refsource_FEDORA
- GLSA-202107-04 vendor-advisory, x_refsource_GENTOO