PT-2018-8349 · Drupal · Drupal

Heine Deelstra · Published 2018-08-06 · Updated 2022-05-14 · CVE-2017-6920

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Drupal core versions prior to 8.3.4

Description The issue allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.

Recommendations For versions prior to 8.3.4, update to version 8.3.4 or later to resolve the issue.

Exploit

Fix

RCE

Code Injection

Weakness Enumeration

CWE-94

CWE-19

Related Identifiers

CVE-2017-6920

GHSA-9C24-G32G-35RJ

Affected Products

Drupal

References · 10

• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2017-6920.yaml · Exploit
• 🔥 https://github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2017-6920.yaml · Exploit
• https://drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-6920 · Security Note
• https://osv.dev/vulnerability/GHSA-9c24-g32g-35rj · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-6920 · Vendor Advisory
• https://github.com/drupal/core · Note
• https://drupal.org/SA-CORE-2017-003 · Note
• http://securitytracker.com/id/1038781 · Note
• http://securityfocus.com/bid/99211 · Note