Information disclosure in Cisco Jabber - CVE-2017-12361

 

Information disclosure in Cisco Jabber - CVE-2017-12361

Published: November 30, 2017


Vulnerability identifier: #VU9463
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-12361
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Jabber

Detailed vulnerability description

The disclosed vulnerability allows a local attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to the way Cisco Jabber for Windows handles random number generation for file folders. A local attacker can fix the random number data used to establish Secure Sockets Layer (SSL) connections between clients and decrypt secure communications made by the Cisco Jabber for Windows client.

Successful exploitation of the vulnerability may result in further attacks.


How to mitigate CVE-2017-12361

Install update from vendor's website.

Sources