Denial of service in Cisco Meeting Server

1) Buffer overflow

EUVDB-ID: #VU8692

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-12264

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to boundary error when processing HTTP requests. A remote unauthenticated attacker can send malicious HTTP packet to the affected system. A successful exploit could allow the attacker to cause a reload of the Web Admin Server.

Mitigation

Install updates from vendor's website (version 2.2.4 or later).

Vulnerable software versions

Cisco Meeting Server: 2.2.0 - 2.2.3

CPE2.3

• cpe:2.3:a:cisco_systems:cisco_meeting_server:2.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_meeting_server:2.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:cisco_meeting_server:2.2.2:*:*:*:*:*:*:*

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-cms 
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCve89149

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.