Vulnerability identifier: #VU41628

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-3980

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Sametime
Client/Desktop applications / Messaging software

Vendor: IBM Corporation

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to cause a denial of service (room unusability) by generating a large number of fictitious users to enter a meeting room.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Sametime: 8.0.0.0 - 9.0.0.1

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External links
http://www-01.ibm.com/support/docview.wss?uid=swg21671201
http://exchange.xforce.ibmcloud.com/vulnerabilities/84906

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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.