[Japanese]

JVNDB-2014-000002

tetra filer vulnerable to directory traversal

Overview

tetra filer provided by Yuichiro Okuyama 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?)

CVSS V2 Severity:
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


Yuichiro Okuyama
  • tetra filer version 2.3.1 and earlier (For Android OS version 4.0.3 and later)
  • tetra filer version 1.5.1 and earlier (For Android OS version Prior to 4.0.3)
  • tetra filer free version 2.3.1 and earlier (For Android OS version 4.0.3 and later)
  • tetra filer free version 1.5.1 and earlier (For Android OS version Prior to 4.0.3)

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

[Apply an update]
Update to the latest version according to the information provided by the developer.
Vendor Information

Yuichiro Okuyama
CWE (What is CWE?)

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

  1. CVE-2014-0803
References

  1. JVN : JVN#51285738
  2. National Vulnerability Database (NVD) : CVE-2014-0803
Revision History

  • [2014/01/10]
      Web page was published
    [2014/01/10]
      Impact was modified

Date Public2014/01/10
Date First Published2014/01/10
Date Last Updated2014/01/10