Denial of service in Gnuplot

1) Division by zero

EUVDB-ID: #VU79882

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-44917

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a divide by zero error within the boundary3d() function in graph3d.c. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Gnuplot: 5.4 - 5.5.0

CPE2.3

• cpe:2.3:a:gnuplot:gnuplot:5.4:*:*:*:*:*:*:*
• cpe:2.3:a:gnuplot:gnuplot:5.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:gnuplot:gnuplot:5.4.1:*:*:*:*:*:*:*

External links

https://sourceforge.net/p/gnuplot/bugs/2474/
https://sourceforge.net/p/gnuplot/bugs/2358/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.