{"id":36227,"date":"2025-05-08T08:42:17","date_gmt":"2025-05-08T08:42:17","guid":{"rendered":""},"modified":"2025-07-05T23:19:30","modified_gmt":"2025-07-06T05:19:30","slug":"cve-2023-37282-critical-out-of-bounds-write-vulnerability-in-gtkwave-3-3-115","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-37282-critical-out-of-bounds-write-vulnerability-in-gtkwave-3-3-115\/","title":{"rendered":"CVE-2023-37282: Critical Out-of-Bounds Write Vulnerability in GTKWave 3.3.115<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The Common Vulnerabilities and Exposures (CVE) system has recently identified a high-risk vulnerability within the GTKWave 3.3.115 software. This vulnerability, designated as CVE-2023-37282, exploits an out-of-bounds write flaw in the VZT LZMA_Read dmem extraction functionality. If successfully exploited, this vulnerability can lead to arbitrary code execution, potentially compromising an entire system<\/a> or leading to data leakage. Its high severity score of 7.8, on a scale of 10, raises concerns among security professionals, especially those managing systems<\/a> running the affected version of GTKWave.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2023-37282
\nSeverity: High (7.8 CVSS Score)
\nAttack Vector: Local File<\/a>
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: Arbitrary code execution<\/a>, Potential system compromise, or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

GTKWave | 3.3.115<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit takes advantage of an out-of-bounds write vulnerability in the VZT LZMA_Read dmem extraction functionality of GTKWave<\/a> 3.3.115. An attacker crafts a malicious .vzt file, which when opened by the unsuspecting user triggers the vulnerability, allowing the attacker to execute arbitrary code<\/a>. The arbitrary code execution can then be used to manipulate the system, potentially leading to full system<\/a> compromise or data leakage.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

This is a conceptual example of how an attacker might craft a malicious<\/a> .vzt file. Remember, this is pseudocode and won’t actually run.<\/p>\n

# Create a malicious .vzt file\nwith open('malicious.vzt', 'wb') as f:\n# Write out-of-bounds data to the file\nf.write(b'x' * 1024 * 1024 * 1024)  # 1GB of 'x' characters<\/code><\/pre>\n
In this hypothetical scenario, the attacker creates a .vzt file filled with an excessively large amount of data. When this file is opened in GTKWave, it triggers the out-of-bounds write vulnerability<\/a>, allowing the attacker to execute arbitrary code.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
Users of the affected GTKWave version are advised to apply the vendor-released patch as soon as possible. In the interim, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. These tools can help detect and prevent malicious activity, reducing the risk of a successful exploit. Regularly updating and patching software is a critical aspect of maintaining a secure<\/a> digital environment. Always be cautious when opening files from unknown or untrusted sources<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The Common Vulnerabilities and Exposures (CVE) system has recently identified a high-risk vulnerability within the GTKWave 3.3.115 software. This vulnerability, designated as CVE-2023-37282, exploits an out-of-bounds write flaw in the VZT LZMA_Read dmem extraction functionality. If successfully exploited, this vulnerability can lead to arbitrary code execution, potentially compromising an entire system or leading to […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-36227","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t