Vulnerability Note VU#917700
Huawei Echo Life HG8247 optical router XSS vulnerability
Original Release date: 02 Apr 2014 | Last revised: 02 Apr 2014

Overview
Huawei Echo Life HG8247 optical router contains a stored cross-site scripting (XSS) vulnerability

Description
It has been reported that Huawei Echo Life HG8247 optical routers running software version V1R006C00S120 or earlier contain a stored cross-site scripting (XSS) vulnerability.
An unauthenticated attacker can perform a stored cross-site scripting (XSS) attack against an authenticated user through the web interface by creating a malicious entry in the "failed log-in attempts over telnet" log view. When logging on to the device using telnet, an attacker can inject arbitrary HTML/Javascript code as a username.

It also has been reported that Huawei Echo Life HG8240 and Huawei Echo Life HG8245 routers could also be affected as they share the same service manual.

Impact
An unauthenticated attacker can perform a stored cross-site scripting (XSS) attack against an authenticated user through the web interface by creating a malicious entry in the failed log-in attempts over telnet log view allowing them to run scripts with the permission of the authenticated user.

Solution
Update

Huawei has stated they have addressed this vulnerability and released patch HG8247 V100R006C00SPC127 to affected users. Users who have not received the update can download the fix on Huawei’s support site (account is required) or contact Huawei directly.

Vendor Information (Learn More)

VendorStatusDate NotifiedDate UpdatedHuawei TechnologiesAffected20 Jan 201401 Apr 2014If you are a vendor and your product is affected, let
us know.

CVSS Metrics (Learn More)

Group
Score
Vector

Base
4.3
AV:N/AC:M/Au:N/C:P/I:N/A:N

Temporal
3.6
E:F/RL:OF/RC:C

Environmental
1.0
CDP:L/TD:L/CR:ND/IR:ND/AR:ND

References

http://www.huawei.com/en/products/fixed-access/fttx/ont/hg8247/index.htm
http://support.huawei.com/support/pages/editionctrl/catalog/ShowVersionDetail.do?actionFlag=getSoftwareDetail&node_id=000001619370&doc_type=VER_SOFT&doc_type=VER_SOFT

Credit

Thanks to Rijnard van Tonder for reporting this vulnerability.
This document was written by Michael Orlando.

Other Information

CVE IDs:
CVE-2014-0337

Date Public:
02 Mar 2014

Date First Published:
02 Apr 2014

Date Last Updated:
02 Apr 2014

Document Revision:
10

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