Published:2014/04/18  Last Updated:2014/04/18

JVN#22670349
AndExplorer vulnerable to directory traversal

Overview

AndExplorer provided by LYSESOFT contains a directory traversal vulnerability.

Products Affected

  • AndExplorer versions released prior to April 3, 2014
  • AndExplorerPro versions released prior to April 5, 2014

Description

AndExplorer provided by LYSESOFT contains an issue in processing file names, which may result in a directory traversal (CWE-22) vulnerability.

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 the software if you are using a version of AndExplorer that was downloaded prior to April 3, 2014 or using a version of AndExplorerPro that was downloaded prior to April 5, 2014.

The software version that is downloaded will differ depending on the version of Android OS that you are using.

Vendor Status

Vendor Link
LYSESOFT AndExplorer
AndExplorerPro

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2014.04.18 (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 no impact to the confidentiality of the system.
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:4.3

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-2014-1974
JVN iPedia JVNDB-2014-000037