Cisco IOS XE Web-based User Interface Parameter cross site scripting

Summaryinfo

A vulnerability marked as problematic has been reported in Cisco IOS XE. This affects an unknown function of the component Web-based User Interface. This manipulation as part of Parameter causes cross site scripting. The identification of this vulnerability is CVE-2018-0190. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Cisco IOS XE (Router Operating System) (the affected version is unknown). It has been declared as problematic. Affected by this vulnerability is an unknown code of the component Web-based User Interface. The manipulation as part of a Parameter leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Multiple vulnerabilities in the web-based user interface (web UI) of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web UI of the affected software. The vulnerabilities are due to insufficient input validation of certain parameters that are passed to the affected software via the web UI. An attacker could exploit these vulnerabilities by persuading a user of the affected UI to access a malicious link or by intercepting a user request for the affected UI and injecting malicious code into the request. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected UI or allow the attacker to access sensitive browser-based information on the user's system. Cisco Bug IDs: CSCuz38591, CSCvb09530, CSCvb10022.

The bug was discovered 03/28/2018. The weakness was shared 03/28/2018 with Cisco as cisco-sa-20180328-webuixss as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2018-0190 since 11/27/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/17/2020). MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 316224 (Cisco IOS XE Software Web UI Cross-Site Scripting Vulnerabilities(cisco-sa-20180328-webuixss)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 103551†). The entries VDB-115186 and VDB-115187 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Router Operating System

Vendor

• Cisco

Name

• IOS XE

License

• commercial

Website

• Vendor: https://www.cisco.com/

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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