#VU46917 Double Free in Gnuplot - CVE-2020-25559

Vulnerability identifier: #VU46917

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-25559

CWE-ID: CWE-415

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Gnuplot
Client/Desktop applications / Multimedia software

Vendor: Gnuplot

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

gnuplot 5.5 is affected by double free when executing print_set_output. This may result in context-dependent arbitrary code execution.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Gnuplot: 5.5.0

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External links
https://sourceforge.net/p/gnuplot/bugs/2312/

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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.