Published:2013/05/29  Last Updated:2013/05/29

JVN#90289505
Content Provider in MovatwiTouch fails to restrict access permissions

Overview

The Content Provider in MovatwiTouch contains an issue where access permissions are not restricted.

Products Affected

  • MovatwiTouch Ver.1.792 and earlier
  • MovatwiTouch Paid Version Ver.1.792 and earlier

Description

MovatwiTouch is a Twitter client software for Android devices. The Content Provider in MovatwiTouch contains an issue where access permissions are not restricted.

Impact

If a user of the affected product uses another malicious Android application, authorization information granted to MovatwiTouch may be obtained. As a result, the user may be impersonated to post information on Twitter.

Solution

Update the Software
Update to the latest version according to the information provided by the developer.

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2013.05.29

Measures Conditions Severity
Access Required can be attacked over the Internet using packets
  • High
Authentication anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required the user must be convinced to take a difficult or suspicious action. If the honest user must have elevated privileges, they are likely to be more suspicious
  • Low
Exploit Complexity some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls)
  • Mid-High

Description of each analysis measures

Comment

This analysis assumes that the user is tricked into installing a malicious application.

Credit

Masata Nishida of Advanced Research Laboratory, SecureBrain Corporation reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2013-2318
JVN iPedia JVNDB-2013-000047