Cisco Spark Messaging Web UI Stored cross site scripting

Summaryinfo

A vulnerability has been found in Cisco Spark Messaging and classified as problematic. This vulnerability affects unknown code of the component Web UI. The manipulation leads to cross site scripting (Stored). This vulnerability is referenced as CVE-2017-12269. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Cisco Spark Messaging (the affected version unknown). It has been rated as problematic. This issue affects an unknown part of the component Web UI. The manipulation with an unknown input leads to a cross site scripting vulnerability (Stored). 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 the web UI of Cisco Spark Messaging Software could allow an authenticated, remote attacker to perform a stored cross-site scripting (XSS) attack. The vulnerability is due to insufficient input validation by the web UI of the affected software. An attacker could exploit this vulnerability by injecting XSS content into the web UI of the affected software. A successful exploit could allow the attacker to force a user to execute code of the attacker's choosing or allow the attacker to retrieve sensitive information from the user. Cisco Bug IDs: CSCvf70587, CSCvf70592.

The bug was discovered 10/04/2017. The weakness was published 10/05/2017 as cisco-sa-20171004-sprk as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2017-12269 since 08/03/2017. The attack may be initiated remotely. A simple authentication is necessary for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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 $0-$5k.

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 101150†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Cisco

Name

• Spark Messaging

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion