Published:2012/03/13  Last Updated:2012/03/13

twicca fails to restrict access permissions


twicca contains an issue where access permissions are not restricted.

Products Affected

  • twicca versions 0.7.0 through 0.9.30


twicca is a client software for using Twitter. twicca contains an issue where access permissions are not restricted.


Android applications without permissions for network access may upload image files with the privileges of twicca.


Update the Software
Apply the latest update for each application according to the information provided by the developer.

Vendor Status


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2012.03.13

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


Kazuhiko Kusano of Graduate School of Information Sciences, Tohoku University reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2012-0326
JVN iPedia JVNDB-2012-000024