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Project: Drupal coreDate: 2020-November-25Security risk: Critical 18∕25 AC:Complex/A:User/CI:All/II:All/E:Exploit/TD:UncommonVulnerability: Arbitrary PHP code executionCVE IDs: CVE-2020-28949CVE-2020-28948Description: 

The Drupal project uses the PEAR Archive_Tar library. The PEAR Archive_Tar library has released a security update that impacts Drupal. For more information please see:

• CVE-2020-28948
• CVE-2020-28949

Multiple vulnerabilities are possible if Drupal is configured to allow .tar, .tar.gz, .bz2 or .tlz file uploads and processes them.

To mitigate this issue, prevent untrusted users from uploading .tar, .tar.gz, .bz2 or .tlz files.

This is a different issue than SA-CORE-2019-12, similar configuration changes may mitigate the problem until you are able to patch.

Solution: 

Install the latest version:

• If you are using Drupal 9.0, update to Drupal 9.0.9
• If you are using Drupal 8.9, update to Drupal 8.9.10
• If you are using Drupal 8.8 or earlier, update to Drupal 8.8.12
• If you are using Drupal 7, update to Drupal 7.75

Versions of Drupal 8 prior to 8.8.x are end-of-life and do not receive security coverage.

According to the regular security release window schedule, November 25th would not typically be a core security window. However, this release is necessary because there are known exploits for one of core's dependencies and some configurations of Drupal are vulnerable.

Reported By: 

• Luke Stewart

Fixed By: 

• Jess of the Drupal Security Team
• Drew Webber of the Drupal Security Team
• Michael Hess of the Drupal Security Team
• Neil Drumm of the Drupal Security Team
• Lee Rowlands of the Drupal Security Team

Project: SAML SP 2.0 Single Sign On (SSO) - SAML Service ProviderDate: 2020-November-18Security risk: Critical 16∕25 AC:Basic/A:None/CI:Some/II:Some/E:Theoretical/TD:AllVulnerability: Access bypassDescription: 

This module enables your users residing at a SAML 2.0 compliant Identity Provider to login to your Drupal website.

The module has two Authentication Bypass vulnerabilities.

Solution: 

Install the latest version:

• If you use the miniorange_saml module for Drupal 8.x, upgrade to miniorange_saml 8.x-2.14
• If you use the miniorange_saml module for Drupal 7.x, upgrade to miniorange_saml 7.x-2.54

Reported By: 

• Heine of the Drupal Security Team
• Michael Mazzolini

Fixed By: 

• abhay19

Coordinated By: 

• Heine of the Drupal Security Team
• Chris McCafferty of the Drupal Security Team

Project: Ink FilepickerDate: 2020-November-18Security risk: Critical 17∕25 AC:Basic/A:User/CI:All/II:All/E:Theoretical/TD:DefaultVulnerability: UnsupportedDescription: 

The security team is marking this project unsupported. There is a known security issue with the project that has not been fixed by the maintainer.

It looks like the 3rd party service that this module integrates with may have been retired.

If you would like to maintain this project nevertheless, please read: https://www.drupal.org/node/251466#procedure---own-project---unsupported

Solution: 

If you use this project, you should uninstall it. To take over maintainership, please read https://www.drupal.org/node/251466#procedure---own-project---unsupported in full.

Project: Media: oEmbedDate: 2020-November-18Security risk: Critical 17∕25 AC:Basic/A:User/CI:All/II:All/E:Theoretical/TD:DefaultVulnerability: Remote Code ExecutionDescription: 

Media oEmbed does not properly sanitize certain filenames as described in SA-CORE-2020-012.

Solution: 

Install the latest version:

• Upgrade to Media oEmbed 7.x-2.8

Reported By: 

• Alex Pott of the Drupal Security Team

Fixed By: 

• Samuel Mortenson of the Drupal Security Team
• Alex Pott of the Drupal Security Team
• Drew Webber of the Drupal Security Team

Coordinated By: 

• Samuel Mortenson of the Drupal Security Team
• Alex Pott of the Drupal Security Team
• Drew Webber of the Drupal Security Team
• xjm of the Drupal Security Team

Project: Drupal coreDate: 2020-November-18Security risk: Critical 17∕25 AC:Basic/A:User/CI:All/II:All/E:Theoretical/TD:DefaultVulnerability: Remote code executionCVE IDs: CVE-2020-13671Description: 

Update November 18: Documented longer list of dangerous file extensions

Drupal core does not properly sanitize certain filenames on uploaded files, which can lead to files being interpreted as the incorrect extension and served as the wrong MIME type or executed as PHP for certain hosting configurations.

Solution: 

Install the latest version:

• If you are using Drupal 9.0, update to Drupal 9.0.8
• If you are using Drupal 8.9, update to Drupal 8.9.9
• If you are using Drupal 8.8 or earlier, update to Drupal 8.8.11
• If you are using Drupal 7, update to Drupal 7.74

Versions of Drupal 8 prior to 8.8.x are end-of-life and do not receive security coverage.

Additionally, it's recommended that you audit all previously uploaded files to check for malicious extensions. Look specifically for files that include more than one extension, like filename.php.txt or filename.html.gif, without an underscore (_) in the extension. Pay specific attention to the following file extensions, which should be considered dangerous even when followed by one or more additional extensions:

• phar
• php
• pl
• py
• cgi
• asp
• js
• html
• htm
• phtml

This list is not exhaustive, so evaluate security concerns for other unmunged extensions on a case-by-case basis.

Reported By: 

• ufku
• Mark Ferree
• Frédéric G. Marand
• Samuel Mortenson of the Drupal Security Team
• Derek Wright

Fixed By: 

• Heine of the Drupal Security Team
• ufku
• Mark Ferree
• Michael Hess of the Drupal Security Team
• David Rothstein of the Drupal Security Team
• Peter Wolanin of the Drupal Security Team
• Jess of the Drupal Security Team
• Frédéric G. Marand
• Stefan Ruijsenaars
• David Snopek of the Drupal Security Team
• Rick Manelius
• David Strauss of the Drupal Security Team
• Samuel Mortenson of the Drupal Security Team
• Ted Bowman
• Alex Pott of the Drupal Security Team
• Derek Wright
• Lee Rowlands of the Drupal Security Team
• Kim Pepper
• Wim Leers
• Nate Lampton
• Drew Webber of the Drupal Security Team
• Fabian Franz
• Alex Bronstein of the Drupal Security Team
• Neil Drumm of the Drupal Security Team
• Joseph Zhao
• Ryan Aslett

Project: Examples for DevelopersDate: 2020-November-18Security risk: Critical 17∕25 AC:Basic/A:User/CI:All/II:All/E:Theoretical/TD:DefaultVulnerability: Remote Code ExecutionDescription: 

The File Example submodule within the Examples project does not properly sanitize certain filenames as described in SA-CORE-2020-012, along with other related vulnerabilities.

Therefore, File Example so is being removed from Examples until a version demonstrating file security best practices can added back in the future.

Solution: 

Any sites that have File Example submodule installed should uninstall it immediately

Then, install the latest version of Examples:

• If you use Examples 3 (Drupal 9-compatible), upgrade to Examples 3.0.2
• If you use the Examples module's 8.x-1.x branch, upgrade to Examples 8.x-1.1

Reported By: 

• Alex Pott of the Drupal Security Team

Fixed By: 

• Valery Lourie
• Samuel Mortenson of the Drupal Security Team
• Jess (xjm) of the Drupal Security Team
• Alex Pott of the Drupal Security Team

Coordinated By: 

• Michael Hess of the Drupal Security Team
• Jess (xjm) of the Drupal Security Team
• Drew Webber of the Drupal Security Team
• Alex Pott of the Drupal Security Team

Project: Drupal OAuth Server ( OAuth Provider) - Single Sign On ( SSO )Date: 2020-October-14Security risk: Moderately critical 12∕25 AC:Basic/A:None/CI:None/II:Some/E:Theoretical/TD:DefaultVulnerability: SQL InjectionDescription: 

This module enables you login into any OAuth 2.0 compliant application using Drupal credentials.

The 8.x branch of the module is vulnerable to SQL injection.

Solution: 

Install the latest version:

• If you use the Drupal OAuth Server module for Drupal 8.x, upgrade to 8.x-1.1

Reported By: 

• Jakub Piasecki

Fixed By: 

• Gaurav Sood
• Greg Knaddison of the Drupal Security Team
• Samuel Mortenson of the Drupal Security Team

Coordinated By: 

• Michael Hess of the Drupal Security Team