cisco-sa-jabber-vY8M4KGB: Cisco Jabber for Windows Protocol Handler Command Injection Vulnerability
First published: Wed Sep 02 2020(Updated: )
A vulnerability in the application protocol handling features of Cisco Jabber for Windows could allow an unauthenticated, remote attacker to execute arbitrary commands. The vulnerability is due to improper handling of input to the application protocol handlers. An attacker could exploit this vulnerability by convincing a user to click a link within a message sent by email or other messaging platform. A successful exploit could allow the attacker to execute arbitrary commands on a targeted system with the privileges of the user account that is running the Cisco Jabber client software. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-jabber-vY8M4KGB
Credit: Olav Sortland Thoresen Watchcom
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Jabber for Windows | =12.9<12.9.1=12.8<12.8.3=12.7<12.7.2=12.6<12.6.3=12.5<12.5.2=12.1<12.1.3 | 12.9.1 12.8.3 12.7.2 12.6.3 12.5.2 12.1.3 |
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Reference Links
Frequently Asked Questions
What is the severity of the Cisco Jabber for Windows Protocol Handler Command Injection Vulnerability?
The severity of the Cisco Jabber for Windows Protocol Handler Command Injection Vulnerability is high with a severity value of 8.8.
How does the Cisco Jabber for Windows Protocol Handler Command Injection Vulnerability allow attackers to execute arbitrary commands?
The vulnerability is due to improper handling of input to the application protocol handlers, allowing an unauthenticated, remote attacker to execute arbitrary commands.
Which versions of Cisco Jabber for Windows are affected by the Protocol Handler Command Injection Vulnerability?
The affected versions of Cisco Jabber for Windows are 12.9, 12.8, 12.7, 12.6, 12.5, and 12.1.
How can I mitigate the Cisco Jabber for Windows Protocol Handler Command Injection Vulnerability?
To mitigate the vulnerability, users should upgrade to version 12.9.1, 12.8.3, 12.7.2, 12.6.3, 12.5.2, or 12.1.3 of Cisco Jabber for Windows.
Where can I find more information about the Cisco Jabber for Windows Protocol Handler Command Injection Vulnerability?
You can find more information about the vulnerability on the Cisco Security Advisory page: [Cisco Security Advisory](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-jabber-vY8M4KGB).
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