Vulnerability CVE-2014-4068
Published: 2014-09-09   Modified: 2014-09-10

Description:
The Response Group Service in Microsoft Lync Server 2010 and 2013 and the Core Components in Lync Server 2013 do not properly handle exceptions, which allows remote attackers to cause a denial of service (daemon hang) via a crafted call, aka "Lync Denial of Service Vulnerability."

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Microsoft -> Lync server 

 References:
http://blogs.technet.com/b/srd/archive/2014/09/09/assessing-risk-for-the-september-2014-security-updates.aspx
http://www.securityfocus.com/bid/69586
http://www.securitytracker.com/id/1030821
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-055
https://exchange.xforce.ibmcloud.com/vulnerabilities/95544
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