StreamRelay.net.exe and sDNSProxy.exe vulnerable to denial-of-service (DoS)


StreamRelay.net.exe and sDNSProxy.exe fail to properly process ICMP Port Unreachable message (CWE-703).

Tomoki Sanaki reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and Tomoki Sanaki coordinated under the Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.5 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Partial
Affected Products

Tomoki Sanaki
  • sDNSProxy.exe ver1.1.0.0 and earlier (CVE-2017-10895)
  • StreamRelay.NET.exe ver2.14.0.7 and earlier (CVE-2017-10894)


A remote attacker may be able to cause a denial-of-service (DoS) condition.

[Update the Software]
Update to the latest version according to the information provided by the developer.
Vendor Information

Tomoki Sanaki
CWE (What is CWE?)

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

  1. CVE-2017-10894
  2. CVE-2017-10895

  1. JVN : JVN#71291160
  2. National Vulnerability Database (NVD) : CVE-2017-10894
  3. National Vulnerability Database (NVD) : CVE-2017-10895
Revision History

  • [2017/11/29]
      Web page was published
  • [2018/03/14]
      References : Contents were added