Multiple vulnerabilities in Microsoft Windows Error Reporting (WER)

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU27813

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-2020-1021

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 in the Windows Error Reporting (WER) when WER handles and executes files. A local user can run a specially crafted application and gain elevated privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 10 1909 10.0.18363.476

Windows Server: 2016 10.0.14393.10 - 2019 1909

CPE2.3

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1021

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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU27814

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-2020-1082

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 in the Windows Error Reporting (WER) when WER handles and executes files. A local user can run a specially crafted application and gain elevated privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 10 1909 10.0.18363.476

Windows Server: 2016 10.0.14393.10 - 2019 1909

CPE2.3

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1082

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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU27815

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-2020-1088

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 in the Windows Error Reporting (WER) when WER handles and executes files. A local user can run a specially crafted application and gain elevated privileges on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 10 1909 10.0.18363.476

Windows Server: 2016 10.0.14393.10 - 2019 1909

CPE2.3

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1088

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.

Risk	Low
Patch available	YES
Number of vulnerabilities	3
CVE-ID	CVE-2020-1021 CVE-2020-1082 CVE-2020-1088
CWE-ID	CWE-264
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system
Vendor	Microsoft