CVE-2020-18032 — Classic Buffer Overflow in Graphviz

CWE-120 — Classic Buffer OverflowCWE-193 — Off-by-one Error10 documents7 sources
Severity
7.8HIGHNVD
OSV5.5
EPSS
0.5%
top 35.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
32
GraphvizDebian GraphvizDebian Linux+29 more
Timeline
PublishedApr 29
Latest updateMar 24

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages32 packages

▶debiandebian/graphviz< graphviz 2.42.2-5 (bookworm)
▶NVDgraphviz/graphviz< 2.46.0
▶Debiangraphviz/graphviz< 2.42.2-5+3
▶Ubuntugraphviz/graphviz< 2.36.0-0ubuntu3.2+esm1+3

Also affects: Debian Linux 10.0, 9.0, Fedora 33, 34

Patches

Patch: gitlab.com ↗Patch: gitlab.com ↗

🔴Vulnerability Details

4
OSV
graphviz vulnerabilities↗2023-03-24
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GHSA
GHSA-92qh-4rf3-8x2m: Buffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 and earlier allows remote attackers to execute arbitrary code or cause a↗2022-05-24
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OSV
graphviz vulnerabilities↗2022-02-03
▶
OSV
CVE-2020-18032: Buffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 and earlier allows remote attackers to execute arbitrary code or cause a↗2021-04-29
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📋Vendor Advisories

5
Ubuntu
Graphviz vulnerabilities↗2023-03-24
▶
Ubuntu
Graphviz vulnerabilities↗2022-02-03
▶
Red Hat
graphviz: off-by-one in parse_reclbl() in lib/common/shapes.c↗2021-05-26
▶
Microsoft
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 ↗2021-04-13
▶
Debian
CVE-2020-18032: graphviz - Buffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 an...↗2020
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