Improper Validation of Array Index in GTKWave - CVE-2023-39234

Vulnerability identifier: #VU85094

CSH Severity: High

CVSS v4: 8.4 [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]

CVE-ID: CVE-2023-39234

CWE-ID: CWE-129

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary error in the VZT vzt_rd_process_block autosort functionality. A remote attacker can trick the victim to open a specially crafted .vzt file, trigger an array index error and execute arbitrary code on the system.

GTKWave
Debian Linux
gtkwave (Debian package)

Install updates from vendor's website.

GTKWave - update to 3.3.118
gtkwave (Debian package) - addressed in versions 3.3.104+really3.3.118-0+deb11u1, 3.3.118-0.1~deb12u1

• https://talosintelligence.com/vulnerability_reports/TALOS-2023-1817

• Multiple vulnerabilities in GTKWave
• Debian update for gtkwave