{"id":"GHSA-qc7w-4567-84wv","aliases":[],"status":"published","title":"Zendframework vulnerable to XXE/XEE attacks","description":"Numerous components utilizing PHP's DOMDocument, SimpleXML, and xml_parse functionality are vulnerable to two types of attacks:\n\n- XML eXternal Entity (XXE) Injection attacks. The above mentioned extensions are insecure by default, allowing external entities to be specified by adding a specific DOCTYPE element to XML documents and strings. By exploiting this vulnerability an application may be coerced to open arbitrary files and/or TCP connections.\n- XML Entity Expansion (XEE) vectors, leading to Denial of Service vectors. XEE attacks occur when the XML DOCTYPE declaration includes XML entity definitions that contain either recursive or circular references; this leads to CPU and memory consumption, making Denial of Service exploits trivial to implement.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-611","CWE-776"],"published":"2024-06-07T20:30:06Z","modified":"2024-12-04T05:28:49Z","fixes":[{"ecosystem":"Packagist","package":"zendframework/zendframework","fixed_in":["2.1.6","2.2.6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"zendframework/zendframework","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.6"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"zendframework/zendframework","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.6"}]}]},{"source":"osv","ecosystem":"Packagist","package":"zendframework/zendframework","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.6"}]}],"versions":["2.1.0","2.1.1","2.1.2","2.1.3","2.1.4","2.1.5"]},{"source":"osv","ecosystem":"Packagist","package":"zendframework/zendframework","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.6"}]}],"versions":["2.2.0","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5"]}],"references":[{"url":"https://github.com/zendframework/zendframework/commit/225a8c9f1c3bc08c0bddf22486a8a39ff7186ac1","tags":["web"]},{"url":"https://github.com/zendframework/zendframework/commit/5dab7b8e77741dbba56209616b7815bb04f4c561","tags":["web"]},{"url":"https://github.com/zendframework/zendframework/commit/68d0756c596baeefad0b733b42ef2657d09c7f4e","tags":["web"]},{"url":"https://github.com/zendframework/zendframework/commit/bbcf41e676ef6d8f16ea9d6499050bca0787eb6c","tags":["web"]},{"url":"https://github.com/zendframework/zendframework/commit/ee7f81cc996fb1c16c7dae23eca9ec013ab74730","tags":["web"]},{"url":"https://github.com/zendframework/zendframework/commit/fbeba98d5a9924b026a5dd98f679143fd6be89ea","tags":["web"]},{"url":"https://framework.zend.com/security/advisory/ZF2014-01","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/zendframework/zendframework/ZF2014-01.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-qc7w-4567-84wv"},{"url":"https://github.com/zendframework/zendframework","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-qc7w-4567-84wv","title":"Zendframework vulnerable to XXE/XEE attacks","description":"Numerous components utilizing PHP's DOMDocument, SimpleXML, and xml_parse functionality are vulnerable to two types of attacks:\n\n- XML eXternal Entity (XXE) Injection attacks. The above mentioned extensions are insecure by default, allowing external entities to be specified by adding a specific DOCTYPE element to XML documents and strings. By exploiting this vulnerability an application may be coerced to open arbitrary files and/or TCP connections.\n- XML Entity Expansion (XEE) vectors, leading to Denial of Service vectors. XEE attacks occur when the XML DOCTYPE declaration includes XML entity definitions that contain either recursive or circular references; this leads to CPU and memory consumption, making Denial of Service exploits trivial to implement.","status":"published","published":"2024-06-07T20:30:06Z","modified":"2024-06-07T20:30:07Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-611","CWE-776"],"updated_at":"2026-11-02T14:37:53.703286Z"}],"osv":[{"id":"GHSA-qc7w-4567-84wv","title":"Zendframework vulnerable to XXE/XEE attacks","description":"Numerous components utilizing PHP's DOMDocument, SimpleXML, and xml_parse functionality are vulnerable to two types of attacks:\n\n- XML eXternal Entity (XXE) Injection attacks. The above mentioned extensions are insecure by default, allowing external entities to be specified by adding a specific DOCTYPE element to XML documents and strings. By exploiting this vulnerability an application may be coerced to open arbitrary files and/or TCP connections.\n- XML Entity Expansion (XEE) vectors, leading to Denial of Service vectors. XEE attacks occur when the XML DOCTYPE declaration includes XML entity definitions that contain either recursive or circular references; this leads to CPU and memory consumption, making Denial of Service exploits trivial to implement.","status":"published","published":"2024-06-07T20:30:06Z","modified":"2024-12-04T05:28:49.568875Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-611","CWE-776"],"updated_at":"2026-11-02T15:46:54.40888Z"}]}}