JVN#82120115
Installer of Douro Kouji Kanseizutou Check Program may insecurely load Dynamic Link Libraries
Overview
Installer of Douro Kouji Kanseizutou Check Program provided by National Institute for Land and Infrastructure Management may insecurely load Dynamic Link Libraries.
Products Affected
- Douro Kouji Kanseizutou Check Program Ver3.1.2 (cdrw_checker_3.1.2.zip) and earlier
Description
Installer of Kouji Kanseizutou Check Program provided by National Institute for Land and Infrastructure Management contains an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).
Impact
Arbitrary code may be executed with the privilege of the user invoking the installer.
Solution
Use the latest installer and apply the workarounds
Users who downloaded Douro Kouji Kanseizutou Check Program Ver3.1.2 (cdrw_checker_3.1.2.zip) before 2017 July 19 should delete the application immediately.
When installing Douro Kouji Kanseizutou Check Program, be sure to download the latest version of Douro Kouji Kanseizutou Check Program Ver3.1.3 (cdrw_checker_3.1.3.zip) from the website. Also be sure confirming the followings before executing the installer.
- Confirm there is no suspicious file besides "
setup.exe" in "setup program" directory which is created when extracting the installer (cdrw_checker_3.1.3.zip) - Be sure to execute "
setup.exe" in "setup program" directory.
Vendor Status
| Vendor | Link |
| National Institute for Land and Infrastructure Management | Douro kouji kannseizutou sakusei sien site |
| Help desk |
References
-
Japan Vulnerability Notes JVNTA#91240916
Insecure DLL Loading and Command Execution Issues on Many Windows Application Programs
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
| Attack Vector(AV) | Physical (P) | Local (L) | Adjacent (A) | Network (N) |
|---|---|---|---|---|
| Attack Complexity(AC) | High (H) | Low (L) | ||
| Privileges Required(PR) | High (H) | Low (L) | None (N) | |
| User Interaction(UI) | Required (R) | None (N) | ||
| Scope(S) | Unchanged (U) | Changed (C) | ||
| Confidentiality Impact(C) | None (N) | Low (L) | High (H) | |
| Integrity Impact(I) | None (N) | Low (L) | High (H) | |
| Availability Impact(A) | None (N) | Low (L) | High (H) |
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) |
|---|---|---|---|
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) |
Comment
This analysis assumes that the user is tricked into placing a malicious DLL file prepared by an attacker in a specific folder.
Credit
Eili Masami of Tachibana Lab. and BlackWingCat of Pink Flying Whale 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-2017-2230 |
| JVN iPedia |
JVNDB-2017-000161 |
Update History
- 2017/08/09
- Information under [Products Affected] and [Solution] was modified, and [Credit] was updated.