LINE for Windows may insecurely load Dynamic Link Libraries


LINE for Windows provided by LINE Corporation specifies the path to read DLL when launching software.
If a user launches LINE for Windows by clicking the specially crafted link prepared by a remote attacker, it may result in insecurely loading Dynamic Link Libraries (CWE-427).

LINE Corporation reported this vulnerability to JPCERT/CC to notify users of respective solutions through JVN.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.8 (High) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

LINE Corporation
  • LINE for Windows versions before 5.8.0

The developer states that version 5.8.0 and upper versions are not affected by this vulnerability.

Arbitrary code may be executed with the privilege of the user invoking the software.

[Update the Software]
Update the software to the latest version according to the information provided by the developer.
According to the developer, the version 5.8.0 which contains a fix for this vulnerability was released on 2018 May 31, and the update is automatically applied when launching software.
Vendor Information

LINE Corporation
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2018-0609

  1. JVN : JVN#92265618
  2. JVN : JVNTA#91240916
  3. National Vulnerability Database (NVD) : CVE-2018-0609
Revision History

  • [2018/06/12]
      Web page was published
  • [2019/07/01]
      References : Content was added