JVN#51274854
Multiple software for Sharp IC Card Reader/Writer Devices may insecurely load Dynamic Link Libraries
Overview
The tool to verify execution environment and the driver installer for Sharp IC Card Reader/Writer devices may insecurely load Dynamic Link Libraries.
Products Affected
- RW-4040 driver installer for Windows 7 version 2.27A (RW4040V2.27_A_win7V.exe) and earlier - CVE-2017-2189
- RW-5100 driver installer for Windows 7 version 1.0.0.9A (RW5100V1.0.0.9_A_win.exe) and earlier - CVE-2017-2191
- RW-5100 driver installer for Windows 8.1 version 1.0.1.0A (RW5100V1.0.1.0_A_win8.exe) and earlier - CVE-2017-2191
- RW-4040 tool to verify execution environment for Windows 7 version 1.2.0.0A (RW4040Test_A_win7V.exe) and earlier - CVE-2017-2190
- RW-5100 tool to verify execution environment for Windows 7 version 1.1.0.0A (RW5100Test_A_win7.exe) and earlier - CVE-2017-2192
- RW-5100 tool to verify execution environment for Windows 8.1 version 1.2.0.0A (RW5100Test_A_win8.exe) and earlier - CVE-2017-2192
Description
The tool to verify execution environment and the driver installer for IC Card Reader/Writer devices provided by Sharp Corporation contain an issue with the DLL search path, which may lead to insecurely load Dynamic Link Libraries (CWE-427).
Impact
Arbitrary code may be executed with the privilege of the user invoking the tool or the installer.
Solution
Use the latest installer
Use the latest installer according to the information provided by the developer.
The following versions address the issue.
- RW-4040 driver installer for Windows 7 version 2.2.7.1 (RW40Inst.exe)
- RW-5100 driver installer for Windows 7 version 1.2.0.0 (RW51Inst.exe)
- RW-5100 driver installer for Windows 8.1 version 1.2.0.0 (RW51Inst.exe)
Users who already have installed the driver software do not need to re-install the software, because this issue affects the installers only.
Use the latest version of the tool to verify execution environment
Use the latest version of the tool according to the information provided by the developer.
The following versions address the issue.
- RW-4040 tool to verify execution environment for Windows 7 version 1.3.0.0 (RW4040Test_win7.exe)
- RW-5100 tool to verify execution environment for Windows 7 version 1.2.0.0 (RW5100Test_win7.exe)
- RW-5100 tool to verify execution environment for Windows 8.1 version 1.2.1.0 (RW5100Test_win8.1.exe)
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| Sharp Corporation | Vulnerable | 2017/06/01 | Sharp Corporation website |
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
Yuji Tounai of NTT Communications Corporation and BlackWingCat of PinkFlyingWhale 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-2017-2189 |
|
CVE-2017-2190 |
|
|
CVE-2017-2191 |
|
|
CVE-2017-2192 |
|
| JVN iPedia |
JVNDB-2017-000104 |
|
JVNDB-2017-000105 |
|
|
JVNDB-2017-000106 |
|
|
JVNDB-2017-000107 |
Update History
- 2017/06/01
- Added CVE IDs to "Products Affected"
- 2017/08/23
- Information under [Products Affected] and [Solution] was modified, and [Credit] was updated