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AUSCERT External Security Bulletin Redistribution
Drupal core - Moderately critical - Third-party libraries -
9 May 2019
AusCERT Security Bulletin Summary
Product: Drupal core
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
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Drupal core - Moderately critical - Third-party libraries - SA-CORE-2019-007
Project: Drupal core
Security risk: Moderately critical 14/25
Vulnerability: Third-party librariesDescription:
This security release fixes third-party dependencies included in or required by
Drupal core. As described in TYPO3-PSA-2019-007: By-passing protection of Phar
Stream Wrapper Interceptor :
In order to intercept file invocations like file_exists or stat on
compromised Phar archives the base name has to be determined and checked
before allowing to be handled by PHP Phar stream handling. [...]
The current implementation is vulnerable to path traversal leading to
scenarios where the Phar archive to be assessed is not the actual
Install the latest version:
o If you are using Drupal 8.7, update to Drupal 8.7.1
o If you are using Drupal 8.6 or earlier, update to Drupal 8.6.16 .
o If you are using Drupal 7, update to Drupal 7.67 .
Versions of Drupal 8 prior to 8.6.x are end-of-life and do not receive security
Also see the Drupal core project page.
o Daniel Le Gall
o Jess of the Drupal Security Team
o Michael Hess of the Drupal Security Team
o Oliver Hader
o David Snopek of the Drupal Security Team
o Alex Pott of the Drupal Security Team
o Daniel Le Gall
o Tim Plunkett
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