Main Vulnerability Database Vulnerabilities #VU19135

Input validation error in Microsoft Windows and Windows Server - CVE-2019-1089

Published: July 10, 2019

Vulnerability identifier: #VU19135

CSH Severity: Low

CVSS v4: 8.5 [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]

CVE-ID: CVE-2019-1089

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to insufficient validation of user-supplied input when the RPC service Activation Kernel improperly handles an RPC request in rpcss.dll. A local user can create a specially crafted application, run it on the affected system and execute arbitrary code with elevated privileges.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2019-1089

Install update from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1089

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