USN-4541-1: Gnuplot vulnerabilities
Publication date
25 September 2020
Overview
Several security issues were fixed in Gnuplot.
Releases
Packages
- gnuplot - Command-line driven interactive plotting program
Details
Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars
discovered that Gnuplot did not properly validate string sizes in the
df_generate_ascii_array_entry function. An attacker could possibly use
this issue to cause a heap buffer overflow, resulting in a denial of
service attack or arbitrary code execution. (CVE-2018-19490)
Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars
discovered that Gnuplot did not properly validate string sizes in the
PS_options function when the Gnuplot postscript terminal is used as a
backend. An attacker could possibly use this issue to cause a buffer
overflow, resulting in a denial of service attack or arbitrary code
execution. (CVE-2018-19491)
Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars
discovered that Gnuplot did not properly validate string sizes in...
Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars
discovered that Gnuplot did not properly validate string sizes in the
df_generate_ascii_array_entry function. An attacker could possibly use
this issue to cause a heap buffer overflow, resulting in a denial of
service attack or arbitrary code execution. (CVE-2018-19490)
Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars
discovered that Gnuplot did not properly validate string sizes in the
PS_options function when the Gnuplot postscript terminal is used as a
backend. An attacker could possibly use this issue to cause a buffer
overflow, resulting in a denial of service attack or arbitrary code
execution. (CVE-2018-19491)
Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars
discovered that Gnuplot did not properly validate string sizes in the
cairotrm_options function when the Gnuplot postscript terminal is used as
a backend. An attacker could possibly use this issue to cause a buffer
overflow, resulting in a denial of service attack or arbitrary code
execution. (CVE-2018-19492)
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 16.04 xenial | gnuplot – 4.6.6-3ubuntu0.1 | ||
| gnuplot-data – 4.6.6-3ubuntu0.1 | |||
| gnuplot-nox – 4.6.6-3ubuntu0.1 | |||
| gnuplot-qt – 4.6.6-3ubuntu0.1 | |||
| gnuplot-tex – 4.6.6-3ubuntu0.1 | |||
| gnuplot-x11 – 4.6.6-3ubuntu0.1 | |||
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