Description
ILIAS before 9.24, 10.12, and 11.5 contains an unrestricted file upload vulnerability in QTI question import image handling (ilQtiMatImageSecurity) that allows authenticated authors to write executable files. Attackers with question pool import rights can import a crafted archive writing a .htaccess and PHP file to the web-served image directory, achieving remote code execution as the web server user.
CVSS breakdown
CVSS 4.0
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality (Vulnerable System)
High
Integrity (Vulnerable System)
High
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- ILIAS-eLearning e.V. / ILIAS5.2.8 – 9.24
- ILIAS-eLearning e.V. / ILIAS10.0 – 10.12
- ILIAS-eLearning e.V. / ILIAS11.0 – 11.5
References
- MISChttps://docu.ilias.de/go/blog/15821/952
- MISChttps://docu.ilias.de/go/blog/15821/951
- MISChttps://docu.ilias.de/go/blog/15821/950
- PATCHhttps://github.com/ILIAS-eLearning/ILIAS/commit/58ee5b1767212530f9948adb0e7d5aecec66ce60
- PATCHhttps://github.com/ILIAS-eLearning/ILIAS/commit/5b200351330bee698432a45c0877c5bc694c367a
- PATCHhttps://github.com/ILIAS-eLearning/ILIAS/commit/47c8462bf46bbebd543a9f3b39c7896b0e9e7362
- MISChttps://github.com/ILIAS-eLearning/ILIAS/blob/v10.11/components/ILIAS/QTI/classes/class.ilQtiMatImageSecurity.php#L110-L122
- MISChttps://github.com/ILIAS-eLearning/ILIAS
- VENDOR_ADVISORYhttps://www.vulncheck.com/advisories/ilias-before-9.24-10.12-and-11.5-unrestricted-file-upload-via-qti-import
Updated 23m ago · 8 sources