High severity · published Aug 2, 2017
CVE-2017-11364
The CMS installer in Joomla! before 3.7.4 does not verify a user's ownership of a webspace, which allows remote authenticated users to gain control of the target application by…
8.8
CVSS
2.2%
EPSS
No
On KEV
Description
The CMS installer in Joomla! before 3.7.4 does not verify a user's ownership of a webspace, which allows remote authenticated users to gain control of the target application by leveraging Certificate Transparency logs.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Joomla · Joomla
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.0.4; 1.0.5; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-11364
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-11364
Third Party Advisory
http://www.securitytracker.com/id/1039015
Vendor Advisory
https://developer.joomla.org/security-centre/700-20170704-core-installer-lack-of-ownership-verification.html
Third Party Advisory
https://media.defcon.org/DEF%20CON%2025/DEF%20CON%2025%20presentations/DEFCON-25-Hanno-Boeck-Abusing-Certificate-Transparency-Logs.pdf
Third Party Advisory
https://twitter.com/hanno/status/890281330906247168
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