Information disclosure in Cisco WebEx Meetings Server



| Updated: 2017-03-16
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-3811
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
Cisco WebEx Meetings Server
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor Cisco Systems, Inc

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU6085

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-2017-3811

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to improper handling of an XML External Entity (XXE) when parsing an XML file. A remote unauthenticated attacker can trick the victim into opening a specially crafted XML file and gain read access to part of the information stored in the affected system.

Successful exploitation of this vulnerability results in information disclosure.

Mitigation

Update to version 2.7.1.2054.

Vulnerable software versions

Cisco WebEx Meetings Server: 2.6 - 2.7.1.2054

CPE2.3 External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-wms


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.



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