Rewterz Threat Advisory – Microsoft Windows Server 2012 / Windows RT 8.1 / 8.1 Multiple Vulnerabilities

SEVERITY: Medium

ANALYSIS SUMMARY

Multiple vulnerabilities have been reported in Microsoft Windows Server 2012, Microsoft Windows RT 8.1, and Microsoft Windows 8.1, which can be exploited by malicious, local users to disclose sensitive information, bypass certain security restrictions, and gain escalated privileges and by malicious people to compromise a vulnerable system.

CVE-2019-0554
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory.

CVE-2019-0578
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory.

CVE-2019-0552
An elevation of privilege exists in Windows COM Desktop Broker, aka “Windows COM Elevation of Privilege Vulnerability.

CVE-2019-0538
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory.

CVE-2019-0555
An elevation of privilege vulnerability exists in the Microsoft XmlDocument class that could allow an attacker to escape from the AppContainer sandbox in the browser.

CVE-2019-0579
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory.

CVE-2019-0543
An elevation of privilege vulnerability exists when Windows improperly handles authentication requests.

CVE-2019-0581
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory.

CVE-2019-0580
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory.

CVE-2019-0570

An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory.

CVE-2019-0536
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory.

CVE-2019-0582
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory.

CVE-2019-0584
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory.

CVE-2019-0549
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory.

CVE-2019-0569
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory.

CVE-2019-0575
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory.

CVE-2019-0583
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory.

CVE-2019-0577
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory.

CVE-2019-0576
A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory.

IMPACT

Exposure of sensitive information
Security by pass
System access
Privilege escalation

AFFECTED PRODUCTS

Microsoft Windows Server 2012
Microsoft RT 8.1
Microsoft Windows 8

REMEDIATION

Vendor has released patches for the following products:

• Windows 8.1 for 32-bit systems (KB4480964):
  https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4480964

• Windows Server 2012 (KB4480972):
• Windows Server 2012 (Server Core installation) (KB4480972):
  https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4480972

• Windows Server 2012 (KB4480975):
• Windows Server 2012 (Server Core installation) (KB4480975):
  https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4480975

• Windows RT 8.1 (KB4480963):
  Apply update (please see the vendor’s service database for details.

• Windows 8.1 for x64-based systems (KB4480963):
• Windows Server 2012 R2 (KB4480963):
• Windows Server 2012 R2 (Server Core installation) (KB4480963):
  https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4480963

• Windows 8.1 for 32-bit systems (KB4480963):
  https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4480963

• Windows 8.1 for x64-based systems (KB4480964):
• Windows Server 2012 R2 (KB4480964):
• Windows Server 2012 R2 (Server Core installation) (KB4480964):
  https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4480964

• Windows Server 2012 (KB3173426):
• Windows Server 2012 (Server Core installation) (KB3173426):
  https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB3173426

• Windows 8.1 for x64-based systems (KB3173424):
• Windows Server 2012 R2 (KB3173424):
• Windows Server 2012 R2 (Server Core installation) (KB3173424):
  https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB3173424

• Windows 8.1 for 32-bit systems (KB3173424):
  https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB3173424