{"id":"GHSA-9c24-g32g-35rj","summary":"Drupal PECL YAML parser unsafe object handling","details":"Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.","aliases":["CVE-2017-6920"],"modified":"2024-04-23T17:56:46.181876Z","published":"2022-05-14T02:57:07Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2024-04-23T17:21:09Z","nvd_published_at":"2018-08-06T15:29:00Z","cwe_ids":["CWE-94"],"severity":"CRITICAL"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-6920"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2017-6920.yaml"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2017-6920.yaml"},{"type":"PACKAGE","url":"https://github.com/drupal/core"},{"type":"WEB","url":"https://www.drupal.org/SA-CORE-2017-003"},{"type":"WEB","url":"https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple"},{"type":"WEB","url":"http://www.securityfocus.com/bid/99211"},{"type":"WEB","url":"http://www.securitytracker.com/id/1038781"}],"affected":[{"package":{"name":"drupal/core","ecosystem":"Packagist","purl":"pkg:composer/drupal/core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0"},{"fixed":"8.3.4"}]}],"versions":["8.0.0","8.0.0-beta10","8.0.0-beta11","8.0.0-beta12","8.0.0-beta13","8.0.0-beta14","8.0.0-beta15","8.0.0-beta16","8.0.0-beta6","8.0.0-beta7","8.0.0-beta8","8.0.0-beta9","8.0.0-rc1","8.0.0-rc2","8.0.0-rc3","8.0.0-rc4","8.0.1","8.0.2","8.0.3","8.0.4","8.0.5","8.0.6","8.1.0","8.1.0-beta1","8.1.0-beta2","8.1.0-rc1","8.1.1","8.1.10","8.1.2","8.1.3","8.1.4","8.1.5","8.1.6","8.1.7","8.1.8","8.1.9","8.2.0","8.2.0-beta1","8.2.0-beta2","8.2.0-beta3","8.2.0-rc1","8.2.0-rc2","8.2.1","8.2.2","8.2.3","8.2.4","8.2.5","8.2.6","8.2.7","8.2.8","8.3.0","8.3.0-alpha1","8.3.0-beta1","8.3.0-rc1","8.3.0-rc2","8.3.1","8.3.2","8.3.3"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-9c24-g32g-35rj/GHSA-9c24-g32g-35rj.json"}},{"package":{"name":"drupal/drupal","ecosystem":"Packagist","purl":"pkg:composer/drupal/drupal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0"},{"fixed":"8.3.4"}]}],"versions":["8.0.0","8.0.0-alpha14","8.0.0-alpha15","8.0.0-beta1","8.0.0-beta10","8.0.0-beta11","8.0.0-beta12","8.0.0-beta13","8.0.0-beta14","8.0.0-beta15","8.0.0-beta16","8.0.0-beta2","8.0.0-beta3","8.0.0-beta4","8.0.0-beta5","8.0.0-beta6","8.0.0-beta7","8.0.0-beta9","8.0.0-rc1","8.0.0-rc2","8.0.0-rc3","8.0.0-rc4","8.0.1","8.0.2","8.0.3","8.0.4","8.0.5","8.0.6","8.1.0","8.1.0-beta1","8.1.0-beta2","8.1.0-rc1","8.1.1","8.1.10","8.1.2","8.1.3","8.1.4","8.1.5","8.1.6","8.1.7","8.1.8","8.1.9","8.2.0","8.2.0-beta1","8.2.0-beta2","8.2.0-beta3","8.2.0-rc1","8.2.0-rc2","8.2.1","8.2.2","8.2.3","8.2.4","8.2.5","8.2.6","8.2.7","8.2.8","8.3.0","8.3.0-alpha1","8.3.0-beta1","8.3.0-rc1","8.3.0-rc2","8.3.1","8.3.2","8.3.3"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-9c24-g32g-35rj/GHSA-9c24-g32g-35rj.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}