Heap-based Buffer Overflow Vulnerabilities in fstReaderIterBlocks2 VCDATA Parsing Functionality of GTKWave 3.3.115

CVE-2023-35958 · HIGH Severity

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Multiple heap-based buffer overflow vulnerabilities exist in the fstReaderIterBlocks2 VCDATA parsing functionality of GTKWave 3.3.115. A specially-crafted .fst file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the copy function `fstFread`.

Learn more about our Web Application Penetration Testing UK.