{"id":51198,"date":"2025-06-12T03:30:50","date_gmt":"2025-06-12T03:30:50","guid":{"rendered":""},"modified":"2025-10-22T19:05:47","modified_gmt":"2025-10-23T01:05:47","slug":"cve-2025-1329-local-user-arbitrary-code-execution-vulnerability-in-ibm-cics-tx","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-1329-local-user-arbitrary-code-execution-vulnerability-in-ibm-cics-tx\/","title":{"rendered":"<strong>CVE-2025-1329: Local User Arbitrary Code Execution Vulnerability in IBM CICS TX<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical security vulnerability has been discovered in IBM CICS TX Standard 11.1 and IBM CICS TX Advanced 10.1 and 11.1. This vulnerability, designated as CVE-2025-1329, could potentially allow a local user to execute arbitrary code on the system. This is due to a failure in the handling of DNS return requests by the gethostbyaddr function.<br \/>\nThe impact of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3260-security-vulnerability-in-grafana-api-endpoints-leading-to-permission-bypass\/\"  data-wpil-monitor-id=\"57657\">vulnerability is significant and can lead<\/a> to potential system compromise or data leakage. Therefore, it is crucial for users and administrators of the affected <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7093-critical-vulnerability-in-belkin-f9k1122-1-00-33-impacting-system-security-and-data-integrity\/\"  data-wpil-monitor-id=\"91193\">systems to apply necessary security<\/a> measures and mitigations as soon as possible.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-1329<br \/>\nSeverity: High (CVSS: 7.8)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-47668-linux-kernel-vulnerability-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"57658\">System compromise and potential data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3523438425\" 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: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\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: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\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: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1330-local-user-arbitrary-code-execution-vulnerability-in-ibm-cics-tx\/\"  data-wpil-monitor-id=\"59411\">IBM CICS<\/a> TX Standard | 11.1<br \/>\n<a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1331-ibm-cics-local-user-code-execution-vulnerability\/\"  data-wpil-monitor-id=\"59958\">IBM CICS<\/a> TX Advanced | 10.1, 11.1<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit works by taking advantage of a flaw in the gethostbyaddr function in IBM CICS TX. This function is supposed to safely handle DNS return requests. However, due to a failure in this function, a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0072-local-non-privileged-user-exploit-in-arm-ltd-gpu-kernel-drivers\/\"  data-wpil-monitor-id=\"58212\">local user<\/a> can manipulate the returned DNS data to inject and execute arbitrary code on the system. This could lead to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48881-unauthorized-access-and-modification-vulnerability-in-valtimo-business-process-automation\/\"  data-wpil-monitor-id=\"57405\">unauthorized access<\/a>, data manipulation or even total system compromise.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1222741001\" 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>Here is a conceptual example of how the vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">#include &lt;netdb.h&gt;\n#include &lt;stdio.h&gt;\nint main() {\nstruct hostent *host_entry;\nchar *malicious_payload = &quot;Injected malicious code&quot;;\nhost_entry = gethostbyaddr(malicious_payload, sizeof(malicious_payload), AF_INET);\nif(host_entry == NULL) {\nprintf(&quot;Exploit failed.\\n&quot;);\nreturn 1;\n}\nprintf(&quot;Exploit successful. Executing malicious code.\\n&quot;);\nsystem(malicious_payload);\nreturn 0;\n}<\/code><\/pre>\n<p>This example represents a C program that a malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3055-critical-arbitrary-file-deletion-vulnerability-in-wp-user-frontend-pro-plugin\/\"  data-wpil-monitor-id=\"59152\">user could use to exploit the gethostbyaddr vulnerability<\/a>. By inserting a malicious payload into the function, they could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22041-linux-kernel-vulnerability-in-ksmbd-sessions-deregister-may-lead-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"57984\">potentially execute arbitrary code on the system<\/a>.<br \/>\nPlease note that this is a conceptual example and should not be used for malicious purposes. It&#8217;s important to apply the vendor patch or utilize WAF\/IDS for temporary mitigation to protect your <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46584-improper-authentication-logic-vulnerability-in-file-system-module\/\"  data-wpil-monitor-id=\"57983\">systems from this vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical security vulnerability has been discovered in IBM CICS TX Standard 11.1 and IBM CICS TX Advanced 10.1 and 11.1. This vulnerability, designated as CVE-2025-1329, could potentially allow a local user to execute arbitrary code on the system. This is due to a failure in the handling of DNS return requests by the [&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":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-51198","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51198","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=51198"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51198\/revisions"}],"predecessor-version":[{"id":84212,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51198\/revisions\/84212"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=51198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=51198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=51198"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=51198"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=51198"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=51198"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=51198"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=51198"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=51198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}