#VU9099 Information disclosure in Cisco WebEx Meetings Server - CVE-2017-12295

Vulnerability identifier: #VU9099

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-12295

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco WebEx Meetings Server
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor: Cisco Systems, Inc

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists in Cisco WebEx Meetings Server due to the HTTP header reply from the Cisco WebEx Meetings Server to the client, which could include internal network information that should be restricted. A remote attacker can attempt to use the HTTP protocol, access the data in the HTTP responses from the Cisco WebEx Meetings Server and discover sensitive data about the application.

Mitigation
Update to version 2.8.1.1019 or 2.8.1.1023.

Vulnerable software versions

Cisco WebEx Meetings Server: 2.8

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171101-webex2

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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