[Japanese]

JVNDB-2015-000072

"Open Explorer Beta" App for Android vulnerable to directory traversal

Overview

"Open Explorer Beta" App for Android provided by brandroid.org contains an issue in processing file names, which may result in a directory traversal (CWE-22) vulnerability.

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.
CVSS Severity (What is CVSS?)

Base Metrics: 4.3 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None

Affected Products


brandroid.org
  • "Open Explorer Beta" App for Android versions prior to 0.254

Impact

A remote, unauthenticated attacker may create an arbitrary file or overwrite an existing file in a directory that the application has privileges to access.
Solution

[Update the Software]
Update to the latest version according to the information provided by the developer.
Vendor Information

brandroid.org
CWE (What is CWE?)

  1. Path Traversal(CWE-22) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2015-2950
References

  1. JVN : JVN#95246510
  2. National Vulnerability Database (NVD) : CVE-2015-2950
Revision History

[2015/06/03]
  Web page was published
[2015/06/08]
  References : Content was added