CVE-2019-7743

Description

An issue was discovered in Joomla! before 3.9.3. The phar:// stream wrapper can be used for objection injection attacks because there is no protection mechanism (such as the TYPO3 PHAR stream wrapper) to prevent use of the phar:// handler for non .phar-files.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.48% Top 20%
Vendor Advisory joomla.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://developer.joomla.org/security-centre/770-20190206-core-implement-the-typo3-phar-stream-wrapper vendor advisory
http://www.securityfocus.com/bid/107050 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-7743?
CVE-2019-7743 has been scored as a critical severity vulnerability.
How to fix CVE-2019-7743?
To fix CVE-2019-7743, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-7743 being actively exploited in the wild?
It is possible that CVE-2019-7743 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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