CVE-2019-11831
Published:May 09, 2019
Updated:May 17, 2026
The PharStreamWrapper (aka phar-stream-wrapper) package 2.x before 2.1.1 and 3.x before 3.1.1 for TYPO3 does not prevent directory traversal, which allows attackers to bypass a deserialization protection mechanism, as demonstrated by a phar:///path/bad.phar/../good.phar URL.
Affected Packages
drupal/drupal (PHP):
Affected version(s) =8.7.0 <8.7.1Fix Suggestion:
Update to version 8.7.1drupal/core (PHP):
Affected version(s) =8.7.0 <8.7.1Fix Suggestion:
Update to version 8.7.1drupal/drupal (PHP):
Affected version(s) >=8.0.0 <8.6.16Fix Suggestion:
Update to version 8.6.16typo3/phar-stream-wrapper (PHP):
Affected version(s) >=v3.0.0 <v3.1.1Fix Suggestion:
Update to version v3.1.1typo3/phar-stream-wrapper (PHP):
Affected version(s) >=v2.0.0 <v2.1.1Fix Suggestion:
Update to version v2.1.1drupal/core (PHP):
Affected version(s) >=8.0.0 <8.6.16Fix Suggestion:
Update to version 8.6.16Related Resources (33)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
EPSS
Base Score:
9.53