Vulnerability CVE-2019-7743
Published: 2019-02-12

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.

Type:

CWE-74

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Joomla -> Joomla! 

 References:
http://www.securityfocus.com/bid/107050
https://developer.joomla.org/security-centre/770-20190206-core-implement-the-typo3-phar-stream-wrapper
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