CVE-2018-19492

high

Description

An issue was discovered in cairo.trm in Gnuplot 5.2.5. This issue allows an attacker to conduct a buffer overflow with an arbitrary amount of data in the cairotrm_options function. This flaw is caused by a missing size check of an argument passed to the "set font" function. This issue occurs when the Gnuplot pngcairo terminal is used as a backend.

References

https://usn.ubuntu.com/4541-1/

https://sourceforge.net/p/gnuplot/gnuplot-main/ci/d5020716834582b20a5e12cdd49f39ee4f9dd949/

https://sourceforge.net/p/gnuplot/bugs/2089/

https://lists.debian.org/debian-lts-announce/2018/11/msg00035.html

https://lists.debian.org/debian-lts-announce/2018/11/msg00031.html

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00066.html

Details

Source: Mitre, NVD

Published: 2018-11-23

Updated: 2020-09-28

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High