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)
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