Published:2012/08/08  Last Updated:2012/08/08

Sleipnir Mobile for Android vulnerable to arbitrary script execution


Sleipnir Mobile for Android contains an arbitrary script execution vulnerability.

Products Affected

  • Sleipnir Mobile for Android 2.2.0 and earlier
  • Sleipnir Mobile for Android Black Edition 2.2.0 and earlier


Sleipnir Mobile for Android is a web browser for Android devices. Sleipnir Mobile for Android contains an arbitrary script execution vulnerability.


If a user uses a certain function of the affected product that called by other malicious Android application, an attacker may be able to execute an arbitrary script.

As a result, the cookies in the site specified by an attacker may be disclosed.


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

Vendor Status


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2012.08.08

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


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


Gaku Mochizuki of Mitsui Bussan Secure Directions, Inc. 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-2012-4004
JVN iPedia JVNDB-2012-000076