#VU13768 Privilege escalation in Microsoft .NET Framework - CVE-2018-8202

Vulnerability identifier: #VU13768

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-8202

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Microsoft .NET Framework
Server applications / Frameworks for developing and running applications

Vendor: Microsoft

Description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to improper activation of COM objects by .NET Framework. A local attacker can run a malicious program and gain elevated privileges to conduct further attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft .NET Framework: 2.0, 3.0, 3.5 - 3.5.1, 4.5.2, 4.6 - 4.6.2, 4.7 - 4.7.2

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8202

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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.