CVE Vulnerabilities

CVE-2016-4902

Untrusted Search Path

Published: Jun 09, 2017 | Modified: Jun 22, 2017
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.x
9.3 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

Untrusted search path vulnerability in The Public Certification Service for Individuals The JPKI users software (for Windows 7 and later) Ver3.0.1 and earlier, The Public Certification Service for Individuals The JPKI users software (for Windows Vista) Ver3.0.1 and earlier and The Public Certification Service for Individuals The JPKI users software Ver2.6 and earlier allows remote attackers to gain privileges via a Trojan horse DLL in an unspecified directory.

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
The_public_certification_service_for_individuals Jpki * 2.6 (including)
The_public_certification_service_for_individuals_for_windows_7 Jpki * 3.0.1 (including)
The_public_certification_service_for_individuals_for_windows_vista Jpki * 3.0.1 (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