Microsoft: >> Lync Security Vulnerabilities
An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation. An attacker who successfully exploited the vulnerability could bypass authentication and achieve improper access.
To exploit this vulnerability, an attacker would need to modify the token.
The update addresses the vulnerability by modifying how Microsoft SharePoint Server and Skype for Business Server validate tokens.
CVSS Score
9.8
EPSS Score
0.081
Published
2020-07-14
An information disclosure vulnerability exists in Lync 2013, aka 'Lync 2013 Information Disclosure Vulnerability'.
CVSS Score
6.5
EPSS Score
0.16
Published
2019-09-11
An information disclosure vulnerability exists when Exchange allows creation of entities with Display Names having non-printable characters. An authenticated attacker could exploit this vulnerability by creating entities with invalid display names, which, when added to conversations, remain invisible. This security update addresses the issue by validating display names upon creation in Microsoft Exchange, and by rendering invalid display names correctly in Microsoft Outlook clients., aka 'Microsoft Exchange Information Disclosure Vulnerability'.
CVSS Score
6.5
EPSS Score
0.08
Published
2019-07-15
A denial of service vulnerability exists in Skype for Business, aka "Microsoft Skype for Business Denial of Service Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Lync, Skype.
CVSS Score
5.9
EPSS Score
0.111
Published
2018-11-14
A remote code execution vulnerability exists when Skype for Business and Microsoft Lync clients fail to properly sanitize specially crafted content, aka "Remote Code Execution Vulnerability in Skype For Business and Lync." This affects Skype, Microsoft Lync.
CVSS Score
8.8
EPSS Score
0.235
Published
2018-07-11
A security feature bypass vulnerability exists when Skype for Business or Lync do not properly parse UNC path links shared via messages, aka "Skype for Business and Lync Security Feature Bypass Vulnerability." This affects Skype, Microsoft Lync.
CVSS Score
7.8
EPSS Score
0.067
Published
2018-07-11
Skype for Business in Microsoft Lync 2013 SP1 and Skype for Business 2016 allows an attacker to steal an authentication hash that can be reused elsewhere, due to how Skype for Business handles authentication requests, aka "Skype for Business Elevation of Privilege Vulnerability."
CVSS Score
8.8
EPSS Score
0.088
Published
2017-10-13
Windows Uniscribe in Microsoft Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, 1607, 1703, and Server 2016; Office 2007 SP3; Office 2010 SP2; Word Viewer; Office for Mac 2011 and 2016; Skype for Business 2016; Lync 2013 SP1; Lync 2010; Lync 2010 Attendee; and Live Meeting 2007 Add-in and Console allows an attacker to obtain information to further compromise a user's system via a specially crafted document or an untrusted webpage, aka "Graphics Component Information Disclosure Vulnerability."
CVSS Score
5.3
EPSS Score
0.206
Published
2017-09-13
Windows Uniscribe in Microsoft Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Office 2007 SP3; Office 2010 SP2; Word Viewer; Office for Mac 2011 and 2016; Skype for Business 2016; Lync 2013 SP1; Lync 2010; Lync 2010 Attendee; and Live Meeting 2007 Add-in and Console allows an attacker to execute code remotely via a specially crafted website or a specially crafted document or email attachment, aka "Microsoft Graphics Component Remote Code Execution."
CVSS Score
7.5
EPSS Score
0.215
Published
2017-09-13
The Windows Graphics Device Interface (GDI) in Microsoft Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; Windows 10 Gold, 1511, 1607, 1703, and Server 2016; Office 2007 SP3; Office 2010 SP2; Word Viewer; Office for Mac 2011 and 2016; Skype for Business 2016; Lync 2013 SP1; Lync 2010; Lync 2010 Attendee; and Live Meeting 2007 Add-in and Console allows an authenticated attacker to retrieve information from a targeted system via a specially crafted application, aka "Windows GDI+ Information Disclosure Vulnerability."
CVSS Score
3.3
EPSS Score
0.028
Published
2017-09-13
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