Critical severity · published Feb 12, 2019
CVE-2019-7743
An issue was discovered in Joomla! before 3.9.3
9.8
CVSS
2.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Joomla · Joomla
2.5.0 through 3.9.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-7743
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-7743
Third Party Advisory
http://www.securityfocus.com/bid/107050
Vendor Advisory
https://developer.joomla.org/security-centre/770-20190206-core-implement-the-typo3-phar-stream-wrapper
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