Multiple privilege escalation vulnerabilities in Microsoft Windows



Published: 2019-11-12
Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2019-1420
CVE-2019-1422
CVE-2019-1423
CWE-ID CWE-264
Exploitation vector Local
Public exploit N/A
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 3 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU22695

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-2019-1420

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 the dssvc.dll handles file creation. A local user can use a specially crafted application and execute arbitrary code on the target system with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 10 1903

Windows Server: 2016 - 2019 1903


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1420

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: #VU22682

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-2019-1422

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 the iphlpsvc.dll handles file creation. A local user can use a specially crafted application and execute arbitrary code on the target system with elevated permissions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 7 - 10 1903

Windows Server: 2008 R2 - 2019 1903


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1422

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: #VU22680

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-2019-1423

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 StartTileData.dll handles file creation in protected locations. A local user can use a specially crafted application and execute arbitrary code on the target system with elevated permissions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 1903

Windows Server: 2019 1903


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1423

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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