Remote code execution in Cisco WebEx Meetings Server
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-0112 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Cisco WebEx Meetings Server Server applications / Conferencing, Collaboration and VoIP solutions |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Improper input validation
EUVDB-ID: #VU12057
Risk: High
CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-0112
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated attacker to execute arbitrary code on the target system.
The weakness exists due to insufficient input validation. A remote attacker can provide meeting attendees with a malicious Flash (.swf) file via the file-sharing capabilities of the client and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
Update to version 2.8.1.2039.
Vulnerable software versionsCisco WebEx Meetings Server: 2.7 - 3.0
External linkshttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-wbs
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
