CVE-2019-1029

Skype for Business and Lync Server Denial of Service Vulnerability

CVE-2019-1029 is fixed in 2 products on 1 platform, first by KB4506009, released June 11, 2019. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
n/a
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0528
92nd percentile

<p>A denial of service vulnerability exists in Skype for Business. An attacker who successfully exploited the vulnerability could cause Skype for Business to stop responding. Note that the denial of service would not allow an attacker to execute code or to elevate the attacker's user rights.</p> <p>To exploit the vulnerability, an attacker needs to obtain a dial-in link for a vulnerable server and then initiates a series of calls within a short amount of time.</p> <p>The update addresses the vulnerability by correcting the way that Skype for Business server handles objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Lync Server 2010 KB4506009 Jun 11, 2019
Microsoft Lync Server 2013 KB4506009 Jun 11, 2019

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