Combodo iTop 3.1.0 through 3.3.0 contains a missing authorization vulnerability in LinkSetController.php that allows authenticated console users to bypass profile grants by supplying arbitrary class and key parameters. Attackers can invoke the linkset delete, detach and get-remote-object routes to delete objects, clear external keys, and read object attributes without permission.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 5
https://github.com/Combodo/iTop
disclosure@vulncheck.com
https://github.com/Combodo/iTop/blob/3.3.0/sources/Controller/Links/LinkSetCont…
disclosure@vulncheck.com
https://github.com/Combodo/iTop/blob/3.3.0/sources/Controller/Links/LinkSetCont…
disclosure@vulncheck.com
https://hackmd.io/@haind03/itop-linkset-unchecked-delete-detach-read-20261011
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/combodo-itop-3.1.0-through-3.3.0-missing-a…
disclosure@vulncheck.com