Published:2013/11/22  Last Updated:2014/08/26

JVN#97810280
KDrive Personal for Windows contains an issue where it fails to verify SSL server certificates

Overview

KDrive Personal for Windows contains an issue where it fails to verify SSL server certificates.

Products Affected

  • KDrive Personal for Windows version 1.21.0.1878 and earlier

Description

KDrive Personal for Windows contains an issue where it fails to verify SSL server certificates.

Impact

A man-in-the-middle attack may allow an attacker to eavesdrop on an encrypted communication.

Solution

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

Vendor Status

Vendor Status Last Update Vendor Notes
Kingsoft Corporation / Kingsoft Japan Inc. Vulnerable 2013/11/22 Kingsoft Corporation / Kingsoft Japan Inc. website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2013.11.22

Measures Conditions Severity
Access Required must be attacked from a local segment, such as Ethernet, Bluetooth, and 802.11 attacks
  • Mid-High
Authentication anonymous or no authentication (IP addresses do not count)
  • High
User Interaction Required the vulnerability can be exploited without an honest user taking any action
  • High
Exploit Complexity expertise and/or luck required (guessing correctly in medium-sized space, kernel expertise)
  • Low-Mid

Description of each analysis measures

Comment

This analysis assumes that the attacker conducting the man-in-the-middle attack placed a wireless LAN access point.

Credit

Yamano Yasuaki of NetAgent 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-2013-5999
JVN iPedia JVNDB-2013-000108

Update History

2014/08/26
Fixed information under "Impact"