Cisco Security Advisory
Cisco IP Phone Stored Cross-Site Scripting Vulnerability
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CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N/E:X/RL:X/RC:X
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A vulnerability in the web-based management interface of a small subset of Cisco IP Phones could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface on an affected device.
This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by persuading a user of an affected interface to view a page containing malicious HTML or script content. 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. To exploit this vulnerability, the attacker must have valid credentials to access the web-based management interface of the affected device.
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://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uipphone-xss-NcmUykqA
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Vulnerable Products
At the time of publication, this vulnerability affected the following Cisco products if they were running a vulnerable release of Cisco IP Phone Software:
- IP DECT 110 Single-Cell Base Station with Multiplatform Firmware (CSCwf58578)
- IP DECT 210 Multi-Cell Base Station with Multiplatform Firmware (CSCwf58578)
- Unified IP Phone 6901 (CSCwf58592)
- Unified SIP Phone 3905 (CSCwf58594)
Note: The default configuration of the phone is affected by this vulnerability.
For information about which Cisco software releases were vulnerable at the time of publication, see the Fixed Software section of this advisory. 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.
Cisco has confirmed that this vulnerability does not affect the following Cisco products:
- ATA 190 Series Analog Telephone Adapters
- ATA 191 Analog Telephone Adapters
- ATA 192 Multiplatform Analog Telephone Adapters
- IP DECT 6823 with Multiplatform Firmware
- IP DECT 6825 with Multiplatform Firmware
- IP Conference Phone 7832
- IP Conference Phone 7832 with Multiplatform Firmware
- IP Conference Phone 8832
- IP Conference Phone 8832 with Multiplatform Firmware
- IP Phone 7800 Series
- IP Phone 8800 Series
- IP Phone 6800 Series with Multiplatform Firmware
- IP Phone 7800 Series with Multiplatform Firmware
- IP Phone 8800 Series with Multiplatform Firmware
- Unified IP Phone 7900 Series
- Unified IP Conference Phone 8831
- Unified IP Conference Phone 8831 for Third-Party Call Control
- Video Phone 8875
- Webex Room Phones
- Webex Share
- Webex Wireless Phones 840 and 860
- Wireless IP Phone 8821
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There are no workarounds that address this vulnerability.
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When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories 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, the release information in the following tables was accurate. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.
The left column lists Cisco software releases, and the right column indicates whether a release was affected by the vulnerability that is described in this advisory and which release included the fix for this vulnerability.
IP DECT 110 Single-Cell Base Station with Multiplatform Firmware or IP DECT 210 Multi-Cell Base Station with Multiplatform Firmware
Cisco IP Phones with Multiplatform Firmware Release First Fixed Release 5.1.1 and earlier Migrate to a fixed release. 5.1.2 5.1.2SR1 Unified IP Phone 6901
Cisco Session Initiation Protocol (SIP) Software Release First Fixed Release SIP v.9 9.3(1)SR3 Unified SIP Phone 3905
Cisco Session Initiation Protocol (SIP) Software Release First Fixed Release SIP v.9 9.4(1)SR4 The Cisco Product Security Incident Response Team (PSIRT) validates only the affected and fixed release information that is documented in this advisory.
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The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
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Cisco would like to thank Cuong Van Bui of Techcombank Vietnam for reporting this vulnerability.
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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.
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Show LessVersion Description Section Status Date 1.0 Initial public release. - Final 2023-NOV-15
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