Cisco WebEx Meeting Center Parameter cross site scripting

Summaryinfo

A vulnerability marked as problematic has been reported in Cisco WebEx Meeting Center. Impacted is an unknown function. The manipulation as part of Parameter leads to cross site scripting. This vulnerability is listed as CVE-2017-12366. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Cisco WebEx Meeting Center (Unified Communication Software) (the affected version is unknown) and classified as problematic. This issue affects an unknown code. The manipulation as part of a Parameter leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

A vulnerability in Cisco WebEx Meeting Center could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of an affected system. The vulnerability is due to insufficient input validation of some parameters that are passed to the web server of the affected system. An attacker could exploit this vulnerability by convincing a user to follow a malicious link or by intercepting a user request 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 web interface or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCvf78635,, CSCvg52440.

The bug was discovered 11/29/2017. The weakness was presented 11/30/2017 as cisco-sa-20171129-webex5 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2017-12366 since 08/03/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/25/2021). MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

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 101984†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Unified Communication Software

Vendor

• Cisco

Name

• WebEx Meeting Center

License

• commercial

Website

• Vendor: https://www.cisco.com/

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

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