CVE-2019-7743 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Severity

75%

Complexity

99%

Confidentiality

106%

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.

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.

CVSS 3.0 Base Score 9.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

First reported 6 years ago

2019-02-12 18:29:00

Last updated 5 years ago

2019-02-26 17:58:00

Affected Software

Joomla!

References

107050

Third Party Advisory, VDB Entry

https://developer.joomla.org/security-centre/770-20190206-core-implement-the-typo3-phar-stream-wrapper

Vendor Advisory

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