CVE Vulnerabilities

CVE-2018-1487

Untrusted Search Path

Published: Jul 10, 2018 | Modified: Oct 09, 2019
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
4.6 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5 and 11.1 binaries load shared libraries from an untrusted path potentially giving low privilege users full access to the DB2 instance account by loading a malicious shared library. IBM X-Force ID: 140972.

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
Db2 Ibm 9.7 9.7
Db2 Ibm 10.1 10.1
Db2 Ibm 10.5 10.5
Db2 Ibm 11.1 11.1

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