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| Rule General Information |
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| Release Date: | 2021-12-20 | |
| Rule Name: | Drupal core 8 PECL YAML Parser Remote Code Execution Vulnerability (CVE-2017-6920) | |
| Severity: | ||
| CVE ID: | ||
| Rule Protection Details |
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| Description: | 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. | |
| Impact: | An attacker can execute arbitrary code via a successful exploit in the context of the vulnerable software. | |
| Affected OS: | Windows, Linux, Others | |
| Reference: | SecurityFocusBID:99211 SecurityTrackerID:1038781 https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple |
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| Solutions |
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| The vendor has released upgrade patches to fix vulnerabilities, please visit: https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple |