Buffer overflow in Gnuplot

CVE-2020-25412

com_line() in command.c in gnuplot 5.4 leads to an out-of-bounds-write from strncpy() that may lead to arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.025 (83.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gnuplot — versions 5.4.0
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-25412?: CVE-2020-25412 is a critical-severity vulnerability in Gnuplot, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-09-16.
How severe is CVE-2020-25412?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-25412 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.