iClassSchedule 1.6 iOS & Android - Persistent UI Vulnerability
Couldn`t you remember your lesson time? If you are a high-school student or a university one, you will be able easily to consult your weekly guide, using this App on your iPhone. You could choose your sujects following your plan and give them a colour for marking them at the end of the week.
(Copy of the Homepage: https://play.google.com/store/apps/details?id=com.idalmedia.android.timetable&hl=it & https://itunes.apple.com/en/app/orariolezioni/id542313616)
The Vulnerability Laboratory Research Team discovered a persistent input validation vulnerability in the official iClassSchedule v1.6 iOS & Android mobile web-application.
2015-05-13: Public Disclosure (Vulnerability Laboratory)
Tel.Net srl Product: iClassSchedule - iOS & Android Mobile Web Application 1.6 iOS and 4.6 Android
An application-side validation vulnerability has been discovered in the official iClassSchedule v1.6 iOS & Android mobile web-application. The vulnerability allows an attacker to inject own script code as payload to the application-side of the vulnerable service function or module.
The vulnerability is located in the `Aula (name input)` values of the vulnerable `iClass Calender` module. Local attackers are able to manipulate the `Aula name` input to compromise the `Calender Index` module. The execution point of the script code occurs on the application-side in the listing module by the manipulated name context field. The Apple iOS and Google Android mobile application versions are affected by the vulnerability.
The security risk of the application-side web vulnerability is estimated as medium with a cvss (common vulnerability scoring system) count of 3.4. Exploitation of the application-side web vulnerability requires a privileged web-application user account and low or medium user interaction. Successful exploitation of the vulnerabilities result in persistent phishing mails, session hijacking, persistent external redirect to malicious sources and application-side manipulation of affected or connected module context.
Vulnerable Module(s): [+] Aula
Vulnerable Parameter(s): [+] name
Affected Module(s): [+] iClass Calender Events Context (App Index)
The persistent input validation web vulnerability can be exploited by local attackers with physical device access and with low user interaction. For security demonstration or to reproduce the security vulnerability follow the provided information and steps below to continue.
The vulnerability can be patched by a secure parse and encode of the vulnerable name value in the iclass calender module. Restrict the name input and disallow usage of special chars to prevent persistent cross site scripting attacks.
The security risk of the persistent input validation web vulnerability in the name value is estimated as medium. (CVSS 3.4)
Vulnerability Laboratory [Research Team] - Katharin S. L. (CH) (email@example.com) [www.vulnerability-lab.com]
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