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CVE-2023-35704

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Date: January 8, 2024

Multiple stack-based buffer overflow vulnerabilities exist in the FST LEB128 varint 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 fstReaderVarint32WithSkip function.

Language: C

Severity Score

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Stack-based Buffer Overflow

CWE-121

Top Fix

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Upgrade Version

Upgrade to version v3.3.118

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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