title: Rapid7 InsightAppSec Local Privilege Escalation
description: The Rapid7 InsightAppSec broker suffers from a DLL injection vulnerability in the 'prunsrv.exe' component of the product. If exploited, a local user of the system (who must already be authenticated to the operating system) can elevate their privileges with this vulnerability to the privilege level of InsightAppSec (usually, SYSTEM). This issue affects version 2019.06.24 and prior versions of the product.
problem types: CWE-427: Uncontrolled Search Path Element
affected:
{
product: InsightAppSec
vendor: Rapid7
versions:
lessThanOrEqual: 2019.06.24, status: affected, version: 2019.06.24, versionType: custom
}
metrics:
cvssV3_0: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 7.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
version: 3.0
]
solutions: Users should update Rapid7 InsightAppSec to version 2019.07.08 or later.
workarounds: If the patching update (2019.07.08 and above) cannot be applied, system administrators of machines running Rapid7 InsightAppSec should not grant local logon privileges to untrusted users.