Multiple vulnerabilities in Microsoft Windows

Published: 2019-10-09 | Updated: 2019-10-09
Severity Low
Patch available YES
Number of vulnerabilities 4
CVE ID CVE-2019-1316
CVE-2019-1320
CVE-2019-1322
CVE-2019-1340
CWE ID CWE-264
CWE-287
Exploitation vector Local
Public exploit N/A
Vulnerable software Windows Subscribe
Windows Server
Vendor Microsoft

Security Advisory

1) Permissions, Privileges, and Access Controls

Severity: Low

CVSSv3: 6.4 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-1316

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Windows Setup does not properly handle privileges. A local authenticated user can run a specially crafted application and run processes in an elevated context.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10, 10 1607, 10 1703, 10 1709, 10 1803, 10 1809, 10 1903

Windows Server: 1803, 1903, 2016, 2019

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1316

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper Authentication

Severity: Low

CVSSv3: 6.1 [CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-1320

CWE-ID: CWE-287 - Improper Authentication

Description

The vulnerability allows a local user to bypass authentication process.

The vulnerability exists due to Windows improperly handles authentication requests. A local user can run a specially crafted application on the victim system, bypass authentication process and run processes in an elevated context.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 10 1709, 10 1803, 10 1809, 10 1903

Windows Server: 1803, 1903, 2019

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1320

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper Authentication

Severity: Low

CVSSv3: 6.1 [CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-1322

CWE-ID: CWE-287 - Improper Authentication

Description

The vulnerability allows a local user to escalate privileges on the target system.

The vulnerability exists due to Windows improperly handles authentication requests. A local user can bypass authentication process and run processes in an elevated context.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 10 1803, 10 1809, 10 1903

Windows Server: 1803, 1903, 2019

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1322

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Permissions, Privileges, and Access Controls

Severity: Low

CVSSv3: 6.8 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-1340

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Windows AppX Deployment Server allows file creation in arbitrary locations. A local authenticated user can run a specially crafted application and take control of an affected system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 1703, 10 1709, 10 1803, 10 1809, 10 1903

Windows Server: 1803, 1903, 2019

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1340

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.