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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.2984
Cisco SPA112 2-Port Phone Adapter Stored Cross-Site Scripting Vulnerability
                               8 August 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Cisco SPA112 2-Port Phone Adapter
Publisher:         Cisco Systems
Operating System:  Cisco
Impact/Access:     Cross-site Scripting -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-1956  

Original Bulletin: 
   https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190807-spa112-xss

- --------------------------BEGIN INCLUDED TEXT--------------------

Cisco SPA112 2-Port Phone Adapter Stored Cross-Site Scripting Vulnerability

Priority:        Medium

Advisory ID:     cisco-sa-20190807-spa112-xss

First Published: 2019 August 7 16:00 GMT

Version 1.0:     Final

Workarounds:     No workarounds available

Cisco Bug IDs:   CSCvp27894

CVE-2019-1956    

CWE-79

CVSS Score:
4.8  AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:X/RL:X/RC:X

Summary

  o A vulnerability in the web-based interface of the Cisco SPA112 2-Port Phone
    Adapter could allow an authenticated, remote attacker to conduct a
    cross-site scripting (XSS) attack against another user of the device.

    The vulnerability is due to insufficient validation of user-supplied input
    by the web-based interface of the affected device. An attacker could
    exploit this vulnerability by inserting malicious code in one of the
    configuration fields. A successful exploit could allow the attacker to
    execute arbitrary script code in the context of the affected interface or
    access sensitive, browser-based information.

    Cisco has released software updates that address this vulnerability. There
    are no workarounds that address this vulnerability.

    This advisory is available at the following link:
    https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190807-spa112-xss

Affected Products

  o Vulnerable Products

    At the time of publication, this vulnerability affected Cisco SPA112 2-Port
    Phone Adapter if it was running a software release earlier than Release
    1.4.1SR4.

    See the Details section in the bug ID(s) at the top of this advisory for
    the most complete and current information.

    Products Confirmed Not Vulnerable

    Only products listed in the Vulnerable Products section of this advisory
    are known to be affected by this vulnerability.

Workarounds

  o There are no workarounds that address this vulnerability.

Fixed Software

  o When considering software upgrades , customers are advised to regularly
    consult the advisories for Cisco products, which are available from the
    Cisco Security Advisories and Alerts page , to determine exposure and a
    complete upgrade solution.

    In all cases, customers should ensure that the devices to be upgraded
    contain sufficient memory and confirm that current hardware and software
    configurations will continue to be supported properly by the new release.
    If the information is not clear, customers are advised to contact the Cisco
    Technical Assistance Center (TAC) or their contracted maintenance
    providers.

    Fixed Releases

    At the time of publication, Cisco SPA112 2-Port Phone Adapter releases
    1.4.1SR4 and later contained the fix for this vulnerability.

    See the Details section in the bug ID(s) at the top of this advisory for
    the most complete and current information.

Exploitation and Public Announcements

  o The Cisco Product Security Incident Response Team (PSIRT) is not aware of
    any public announcements or malicious use of the vulnerability that is
    described in this advisory.

Source

  o Cisco would like to thank Samuel Dugo of Ryanair for reporting this
    vulnerability.

Cisco Security Vulnerability Policy

  o To learn about Cisco security vulnerability disclosure policies and
    publications, see the Security Vulnerability Policy . This document also
    contains instructions for obtaining fixed software and receiving security
    vulnerability information from Cisco.

Action Links for This Advisory

  o Understanding Cross-Site Scripting (XSS) Threat Vectors

Related to This Advisory

  o Cross-Site Scripting

URL

  o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/
    cisco-sa-20190807-spa112-xss

Revision History

  o +---------+--------------------------+---------+--------+-----------------+
    | Version |       Description        | Section | Status |      Date       |
    +---------+--------------------------+---------+--------+-----------------+
    | 1.0     | Initial public release.  | -       | Final  | 2019-August-07  |
    +---------+--------------------------+---------+--------+-----------------+

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