CVE Vulnerabilities

CVE-2019-8453

Untrusted Search Path

Published: Apr 17, 2019 | Modified: Apr 23, 2019
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

Some of the DLLs loaded by Check Point ZoneAlarm up to 15.4.062 are taken from directories where all users have write permissions. This can allow a local attacker to replace a DLL file with a malicious one and cause Denial of Service to the client.

Weakness

The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product’s direct control.

Affected Software

Name Vendor Start Version End Version
Zonealarm Checkpoint * 15.4.062 (including)

Extended Description

This might allow attackers to execute their own programs, access unauthorized data files, or modify configuration in unexpected ways. If the product uses a search path to locate critical resources such as programs, then an attacker could modify that search path to point to a malicious program, which the targeted product would then execute. The problem extends to any type of critical resource that the product trusts. Some of the most common variants of untrusted search path are:

Potential Mitigations

References