Cisco Jabber IM for Android contains a vulnerability that could allow an authenticated, remote attacker to cause a denial of service condition. Updates are available.
A vulnerability in the XML parser of Cisco Jabber IM for Android could allow an authenticated, remote attacker to prevent the client to connect, causing a denial of service condition.
The vulnerability is due to insufficient validation of crafted Extensible Messaging and Presence Protocol (XMPP) presence update messages, which are received when the client tries to connect to the XMPP Server. An attacker could exploit this vulnerability by sending an Extensible Messaging and Presence Protocol (XMPP) presence update message to the affected client. In order to successfully exploit this vulnerability, the attacker would need to convince the user of affected client to add him to his "Buddy" list.
Cisco has confirmed the vulnerability and software updates are available.
At the time this alert was first published, Cisco Jabber IM for Android versions 9.0(3) and prior were vulnerable. Later versions of Cisco Jabber IM for Android Point may also be affected.
Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
Customers are advised to review the bug report in the vendor announcements section for a current list of affected versions.
An authenticated, remote attacker could exploit this vulnerability to prevent the client software to connect, resulting in a denial of service (DoS) condition.
The vulnerability is due to insufficient validation of crafted XMPP presence update messages by the XML parser of the affected software. The XMPP presence update messages are received when the client tries to connect to the XMPP Server.
An authenticated, remote attacker could exploit this vulnerability by sending an XMPP presence update message to the affected client. Successful exploitation could allow the attacker from preventing the client to connect, resulting in a DoS condition.
Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to monitor affected systems.
Cisco customers with active contracts should contact their Cisco support team for assistance in upgrading to a software version that includes fixes for this vulnerability. Cisco customers without contracts may contact the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via e-mail at firstname.lastname@example.org for assistance.
The security vulnerability applies to the following combinations of products.
Cisco Jabber IM for Android
9.0 (1), (2), (3)
Alerts and bulletins on the Cisco Security Intelligence Operations Portal are highlighted by analysts in the
Cisco Threat Operations Center and represent a subset of the comprehensive content that is available through Cisco Security IntelliShield Alert Manager Service.
This customizable threat and vulnerability alert service provides security staff with access to timely, accurate, and credible information about threats and vulnerabilities that may affect their environment.
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.