{"id":53157,"date":"2025-06-17T23:26:52","date_gmt":"2025-06-17T23:26:52","guid":{"rendered":""},"modified":"2025-07-06T11:19:08","modified_gmt":"2025-07-06T17:19:08","slug":"cve-2022-4976-a-critical-vulnerability-in-archive-unzip-burst-perl-module","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2022-4976-a-critical-vulnerability-in-archive-unzip-burst-perl-module\/","title":{"rendered":"<strong>CVE-2022-4976: A Critical Vulnerability in Archive::Unzip::Burst Perl Module<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2022-4976 is a high-severity vulnerability discovered in the Archive::Unzip::Burst module, ranging from version 0.01 through 0.09, for Perl. This vulnerability stems from a bundled InfoZip library that is impacted by several other vulnerabilities, namely CVE-2014-8139, CVE-2014-8140 and CVE-2014-8141. Because of the severity and wide-reaching implications of this vulnerability, it poses a high risk, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31222-potential-privilege-elevation-and-system-compromise-vulnerability\/\"  data-wpil-monitor-id=\"59695\">potentially leading to system compromise<\/a> and data leakage. Therefore, understanding and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39486-rankie-sql-injection-vulnerability-and-mitigation-measures\/\"  data-wpil-monitor-id=\"63854\">mitigating this vulnerability<\/a> should be a high priority for any organization utilizing the affected versions of Archive::Unzip::Burst.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2022-4976<br \/>\nSeverity: Critical (9.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5866-critical-vulnerability-in-rt-thread-5-1-0-potentially-leading-to-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"63853\">System compromise and data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3569174345\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p>Archive::Unzip::Burst | 0.01 through 0.09<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2022-4976 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36004-unqualified-library-call-vulnerability-in-ibm-i-facsimile-support\/\"  data-wpil-monitor-id=\"64344\">vulnerability arises from the use of a bundled InfoZip library<\/a> in the Archive::Unzip::Burst module. This library, which is affected by <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30220-high-severity-xml-external-entity-xxe-vulnerability-in-geoserver-geotools-and-geonetwork\/\"  data-wpil-monitor-id=\"60603\">several historical vulnerabilities<\/a> (CVE-2014-8139, CVE-2014-8140, CVE-2014-8141), opens a potential attack vector for malicious actors. With a successful exploit, attackers can compromise the system and potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5893-unauthenticated-access-and-exposure-of-sensitive-information-in-smart-parking-management-system\/\"  data-wpil-monitor-id=\"59755\">access sensitive<\/a> data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4124726475\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>While there is no specific exploit code available for CVE-2022-4976, a conceptual example would involve the manipulation of compressed <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47586-php-remote-file-inclusion-vulnerability-in-stylemixthemes-motors-events\/\"  data-wpil-monitor-id=\"59950\">files in a manner that exploits the vulnerabilities<\/a> in the InfoZip library. It could look something like this:<\/p>\n<pre><code class=\"\" data-line=\"\"># Generate a malicious zip file\nzip malicious.zip evil_payload\n# Use the vulnerable module to unzip the file\nperl -MArchive::Unzip::Burst -e &#039;unzip &quot;malicious.zip&quot;&#039;<\/code><\/pre>\n<p>In this example, `evil_payload` would be crafted in a way that exploits the vulnerabilities in the InfoZip library, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21475-critical-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"59909\">leading to a potential system<\/a> compromise or data leakage.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate the risk associated with CVE-2022-4976, apply the patch provided by the vendor. If it&#8217;s not possible to apply the patch immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. It&#8217;s crucial to update to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49137-critical-vulnerability-in-hax-cms-php-prior-to-version-11-0-0\/\"  data-wpil-monitor-id=\"61957\">version of Archive::Unzip::Burst that does not include the vulnerable<\/a> InfoZip library as soon as possible.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2022-4976 is a high-severity vulnerability discovered in the Archive::Unzip::Burst module, ranging from version 0.01 through 0.09, for Perl. This vulnerability stems from a bundled InfoZip library that is impacted by several other vulnerabilities, namely CVE-2014-8139, CVE-2014-8140 and CVE-2014-8141. Because of the severity and wide-reaching implications of this vulnerability, it poses a high risk, potentially [&hellip;]<\/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,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-53157","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=53157"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53157\/revisions"}],"predecessor-version":[{"id":57852,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53157\/revisions\/57852"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=53157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=53157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=53157"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=53157"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=53157"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=53157"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=53157"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=53157"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=53157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}