#VU85153 Use-after-free in GTKWave - CVE-2023-37578

Vulnerability identifier: #VU85153

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-2023-37578

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GTKWave
Client/Desktop applications / Multimedia software

Vendor: gtkwave

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the VCD get_vartoken realloc functionality. A remote attacker can trick the victim to open a specially crafted .vcd file, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GTKWave: 3.3.90 - 3.3.117

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External links
http://talosintelligence.com/vulnerability_reports/TALOS-2023-1806

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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.