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AUSCERT External Security Bulletin Redistribution
Advisory (ICSA-18-282-06) Hangzhou Xiongmai Technology Co.,
Ltd XMeye P2P Cloud Server
10 October 2018
AusCERT Security Bulletin Summary
Product: Xiongmai XMeye P2P Cloud Server
Operating System: Network Appliance
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
Unauthorised Access -- Remote/Unauthenticated
CVE Names: CVE-2018-17919 CVE-2018-17917 CVE-2018-17915
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Hangzhou Xiongmai Technology Co., Ltd XMeye P2P Cloud Server
Original release date: October 09, 2018
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1. EXECUTIVE SUMMARY
o CVSS v3 8.1
o ATTENTION: Exploitable remotely/low skill level to exploit/information
related to these vulnerabilities is publicly available
o Vendor: Hangzhou Xiongmai Technology Co., Ltd
o Equipment: XMeye P2P Cloud Server
o Vulnerabilities: Predictable From Observable State, Hidden Functionality,
Missing Encryption of Sensitive Data
2. RISK EVALUATION
Successful exploitation of these vulnerabilities could allow unauthorized
access to video feeds with the potential to modify settings, replace firmware,
and/or execute code.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
All products using XMeye P2P Cloud Server are affected. Hangzhou Xiongmai
Technology Co., Ltd acts primarily as an Original Equipment Manufacturer (OEM)
and sells few, if any, Xiongmai-branded products. Various vendors sell branded
devices with Hangzhou Xiongmai Technology Co., Ltd hardware/firmware inside.
Use the following methods to check the hardware/firmware:
o Check if the product documentation/specifications mention the "XMEye"
o Access the err.htm page on the device (http://<Camera IP Address>/
err.htm). Xiongmai or XMeye will be referenced.
3.2 VULNERABILITY OVERVIEW
3.2.1 PREDICTABLE FROM OBSERVABLE STATE CWE-341
An attacker may be able to use MAC addresses to enumerate potential Cloud IDs.
Using this ID, the attacker can discover and connect to valid devices using
one of the supported apps.
CVE-2018-17917 has been assigned to this vulnerability. A CVSS v3 base score
of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U
3.2.2 HIDDEN FUNCTIONALITY CWE-912
An attacker could use an undocumented user account "default" with its default
password to login to XMeye and access/view video streams.
CVE-2018-17919 has been assigned to this vulnerability. A CVSS v3 base score
of 6.5 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U
3.2.3 MISSING ENCRYPTION OF SENSITIVE DATA CWE-311
Not all device communication is encrypted. This includes the XMeye service and
firmware update communication. This could allow an attacker to eavesdrop on
video feeds, steal XMeye login credentials, or impersonate the update server
with malicious update code.
CVE-2018-17915 has been assigned to this vulnerability. A CVSS v3 base score
of 8.1 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U
o CRITICAL INFRASTRUCTURE SECTORS: Multiple
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: China
Stefan Viehbock on behalf of SEC Consult Vulnerability Lab reported these
vulnerabilities to NCCIC.
Hangzhou Xiongmai Technology Co., Ltd has not provided mitigations for these
NCCIC recommends taking immediate action to change the admin account password
along with the undocumented "default" account password to minimize risk of
NCCIC also recommends verifying the source of all firmware updates.
NCCIC reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures.
NCCIC also provides a section for control systems security recommended
practices on the ICS-CERT web page. Several recommended practices are
available for reading and download, including Improving Industrial Control
Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly
available on the ICS-CERT website in the Technical Information Paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to NCCIC for
tracking and correlation against other incidents.
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