CVE-2017-11364
HIGH severity · CVSS 8.8 · CWE-295
8.8CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://developer.joomla.org/security-centre/700-20170704-core-installer-lack-of-ownership-verification.htmlAdvisory
- http://www.securitytracker.com/id/1039015Advisory
- https://media.defcon.org/DEF%20CON%2025/DEF%20CON%2025%20presentations/DEFCON-25-Hanno-Boeck-Abusing-Certificate-Transparency-Logs.pdfAdvisory
- https://twitter.com/hanno/status/890281330906247168Advisory