CVE-2019-6339: debian debian_linux Improper Input Validation

Vulnerability summary

CVE-2019-6339 is a critical (CVSS 9.8) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 35.58% chance of exploitation in the next 30 days, higher than 98.4% of scored vulnerabilities.

Timeline

1. 22-01-2019
   PublishedVulnerability first disclosed.
2. 16-09-2024
   Last modifiedVulnerability information updated.

Description

In Drupal Core versions 7.x prior to 7.62, 8.6.x prior to 8.6.6 and 8.5.x prior to 8.5.9; A remote code execution vulnerability exists in PHP's built-in phar stream wrapper when performing file operations on an untrusted phar:// URI. Some Drupal code (core, contrib, and custom) may be performing file operations on insufficiently validated user input, thereby being exposed to this vulnerability. This vulnerability is mitigated by the fact that such code paths typically require access to an administrative permission or an atypical configuration.

• CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.