Information disclosure in Cisco Jabber

Published: 2017-10-19

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2017-12286 CVE-2017-12284
CWE-ID	CWE-20
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	Cisco Jabber Client/Desktop applications / Messaging software
Vendor	Cisco Systems, Inc

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU8886

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-12286

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The disclosed vulnerability allows a local attacker to obtain potentially sensitive information.

The vulnerability exists in the web interface of Cisco Jabber due to a lack of input and validation checks. A local attacker can issue specific commands and view all profile information for a user instead of only certain Jabber parameters that should be visible.

Successful exploitation of the vulnerability results in information disclosure.

Mitigation

Update to version 1.9.31.

Vulnerable software versions

Cisco Jabber: 1.9.26

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171018-wmc1

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU8888