Multiple vulnerabilities in Microsoft Windows



Published: 2020-04-14
Risk Low
Patch available YES
Number of vulnerabilities 6
CVE-ID CVE-2020-0794
CVE-2020-1015
CVE-2020-1011
CVE-2020-1009
CVE-2020-0983
CVE-2020-0934
CWE-ID CWE-119
CWE-264
Exploitation vector Local
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerable software
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Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU26877

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0794

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to perform denial of service (DoS) attack.

The vulnerability exists due to a boundary error when Windows improperly handles objects in memory. A local user can use a specially crafted application to trigger memory corruption and cause the system to stop responding.

Successful exploitation of this vulnerability may result in a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 10 1709 - 10 1909

Windows Server: 2019 - 2019 1909

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0794


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) Buffer overflow

EUVDB-ID: #VU26876

Risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-1015

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privilege so the system.

The vulnerability exists due to a boundary error in the User-Mode Power Service (UMPS) when handling objects in memory. A local user can create a specially crafted application, trigger memory corruption and execute arbitrary code on the target system with elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 7 - 10 1909

Windows Server: 2008 R2 - 2019 1909

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1015


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. However, proof of concept for this vulnerability is available.

3) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU26875

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1011

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

Exploit availability: No

Description

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

The vulnerability exists due to Windows System Assessment Tool improperly handles file operations. A local user can run a specially crafted application and run processes in an elevated context.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 7 - 10 1909

Windows Server: 2016 - 2019 1909

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1011


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

EUVDB-ID: #VU26874

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1009

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

Exploit availability: No

Description

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

The vulnerability exists due to the way that the Microsoft Store Install Service handles file operations in protected locations. A local user can run a specially crafted application and execute arbitrary code with elevated permissions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 7 - 10 1909

Windows Server: 2008 - 2019 1909

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1009


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.

5) Buffer overflow

EUVDB-ID: #VU26873

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0983

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when the Windows Delivery Optimization service improperly handles objects in memory. A local user can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system with elevated system privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 10 - 10 1909

Windows Server: 2016 - 2019 1909

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0983


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.

6) Buffer overflow

EUVDB-ID: #VU26872

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0934

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error when the Windows WpcDesktopMonSvc improperly manages memory. A local user can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 10 1803 - 10 1909

Windows Server: 2019 - 2019 1909

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0934


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.



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