View online: https://www.drupal.org/sa-core-2020-005

Project: Drupal core [1]
Date: 2020-June-17
Security risk: *Critical* 17∕25
AC:Complex/A:None/CI:All/II:All/E:Theoretical/TD:Uncommon [2]
Vulnerability: Arbitrary PHP code execution

CVE IDs: CVE-2020-13664
Description: 
Drupal 8 and 9 have a remote code execution vulnerability under certain
circumstances.

An attacker could trick an administrator into visiting a malicious site that
could result in creating a carefully named directory on the file system. With
this directory in place, an attacker could attempt to brute force a remote
code execution vulnerability.

Windows servers are most likely to be affected.

Solution: 
Install the latest version:

* If you are using Drupal 8.8.x, upgrade to Drupal 8.8.8 [3].
* If you are using Drupal 8.9.x, upgrade to Drupal 8.9.1 [4].
* If you are using Drupal 9.0.x, upgrade to Drupal 9.0.1 [5].

Versions of Drupal 8 prior to 8.8.x are end-of-life and do not receive
security coverage. Sites on 8.7.x or earlier should update to 8.8.8.

Reported By: 
* Lorenzo G [6]
* Sam Thomas [7]

Fixed By: 
* Jess [8] of the Drupal Security Team
* Samuel Mortenson [9] of the Drupal Security Team
* Peter Wolanin [10] of the Drupal Security Team
* Lorenzo G [11]
* Lee Rowlands [12] of the Drupal Security Team
* Greg Knaddison [13] of the Drupal Security Team
* Cash Williams [14] of the Drupal Security Team
* Heine [15] of the Drupal Security Team
* Drew Webber [16] of the Drupal Security Team
* Alex Pott [17] of the Drupal Security Team
* Gábor Hojtsy [18]

[1] https://www.drupal.org/project/drupal
[2] https://www.drupal.org/security-team/risk-levels
[3] https://www.drupal.org/project/drupal/releases/8.8.8
[4] https://www.drupal.org/project/drupal/releases/8.9.1
[5] https://www.drupal.org/project/drupal/releases/9.0.1
[6] https://www.drupal.org/user/3644903
[7] https://www.drupal.org/user/3603418
[8] https://www.drupal.org/user/65776
[9] https://www.drupal.org/user/2582268
[10] https://www.drupal.org/user/49851
[11] https://www.drupal.org/user/3644903
[12] https://www.drupal.org/user/395439
[13] https://www.drupal.org/user/36762
[14] https://www.drupal.org/user/421070
[15] https://www.drupal.org/user/17943
[16] https://www.drupal.org/user/255969
[17] https://www.drupal.org/user/157725
[18] https://www.drupal.org/user/4166

_______________________________________________
Security-news mailing list
Security-news@drupal.org
Unsubscribe at https://lists.drupal.org/mailman/listinfo/security-news