#VU85160 Integer overflow in GTKWave - CVE-2023-38653

Vulnerability identifier: #VU85160

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-2023-38653

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GTKWave
Client/Desktop applications / Multimedia software

Vendor: gtkwave

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in the VZT vzt_rd_block_vch_decode dict parsing functionality. A remote attacker can trick the victim to open a specially crafted .vzt file, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of 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-2023-1815

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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.