KLA12059 Multiple vulnerabilities in Cisco Jabber

Multiple vulnerabilities were found in Cisco Jabber. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, bypass security restrictions.

Below is a complete list of vulnerabilities:

1. A command injection vulnerability in Cisco Jabber can be exploited remotely to execute arbitrary code.
2. An unauthorized access vulnerability in Cisco Jabber can be exploited remotely to obtain sensitive information and bypass security restrictions.
3. An information disclosure vulnerability in Cisco Jabber can be exploited remotely via special crafted message to obtain sensitive information.
4. A program execution vulnerability in Cisco Jabber can be exploited remotely via special crafted XMPP message to execute arbitrary code.
5. A script injection vulnerability in Cisco Jabber can be exploited remotely via special crafted XMPP message to execute arbitrary code.

Original advisories

Cisco Jabber Desktop and Mobile Client Software Vulnerabilities

Exploitation

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Cisco-Jabber

CVE list

CVE-2020-27133 critical

CVE-2020-27127 critical

CVE-2020-27132 critical

CVE-2020-26085 critical

CVE-2020-27134 critical

Solution

Update to the latest version

Download Cisco Jabber

Impacts

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

• SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Affected Products

• Cisco Jabber earlier than 12.1.4Cisco Jabber 12.5 earlier than 12.5.3Cisco Jabber 12.6 earlier than 12.6.4Cisco Jabber 12.7 earlier than 12.7.3Cisco Jabber 12.8 earlier than 12.8.4Cisco Jabber 12.9 earlier than 12.9.3