Published:2014/12/18  Last Updated:2014/12/18

JVN#97384696
TSUTAYA App for Android vulnerable to arbitrary Java method execution

Overview

TSUTAYA App for Android contains a vulnerability where an arbitrary Java method may be executed.

Products Affected

  • TSUTAYA App for Android version 5.3 and earlier

Description

TSUTAYA App for Android contains a vulnerability where an arbitrary Java method may be executed.

Impact

When viewing a specially crafted web page, an arbitrary Java method may be executed.

Solution

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

Vendor Status

Vendor Link
T-MEDIA HOLDINGS Co., Ltd. TSUTAYA App - Google Play

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2014.12.18 (CVSS Base Metrics)

What is CVSS?

Measures Severity Description
Access Vector(AV) Local (L) Adjacent Network (A) Network (N) A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable".
Access Complexity(AC) High (H) Medium (M) Low (L) The access conditions are somewhat specialized.
Authentication(Au) Multiple (M) Single (S) None (N) Authentication is not required to exploit the vulnerability.
Confidentiality Impact(C) None (N) Partial (P) Complete (C) There is considerable informational disclosure. Access to some system files is possible, but the attacker does not have control over what is obtained, or the scope of the loss is constrained.
Integrity Impact(I) None (N) Partial (P) Complete (C) Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.
Availability Impact(A) None (N) Partial (P) Complete (C) There is no impact to the availability of the system.

Base Score:5.8

Credit

Ryohei Koike of Sakura Information Systems Co., Ltd. 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-2014-7241
JVN iPedia JVNDB-2014-000124