CVE-2023-35996: gtkwave — Exploit

Description

Multiple improper array index validation vulnerabilities exist in the fstReaderIterBlocks2 tdelta 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 tdelta indexing when signal_lens is 0.

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CVSS v3.1 Score

7.8

HIGH

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

Weakness Type (CWE)

CWE-129 CWE-129

Affected Products

Vendor	Product	Versions
tonybybell	gtkwave	All

References

Exploits

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1791 https://talosintelligence.com/vulnerability_reports/TALOS-2023-1791

Other References

https://lists.debian.org/debian-lts-announce/2024/04/msg00007.html https://lists.debian.org/debian-lts-announce/2024/04/msg00007.html https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1791

Frequently Asked Questions

What is CVE-2023-35996? +

Multiple improper array index validation vulnerabilities exist in the fstReaderIterBlocks2 tdelta 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 tdelta indexing when signal_lens is 0. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-35996? +

CVE-2023-35996 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-35996? +

CVE-2023-35996 affects products from tonybybell, specifically: gtkwave. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-35996? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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