PT-2020-18220 · Microsoft+1 · Windows+3

Hjy79425575 + 1 · Published 2020-11-20 · Updated 2020-12-03 · CVE-2020-4739

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions IBM DB2 Accessories Suite for Linux, UNIX, and Windows, DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) versions 9.7, 10.1, 10.5, 11.1, and 11.5

Description The issue allows a local authenticated attacker to execute arbitrary code on the system, caused by DLL search order hijacking vulnerability in Microsoft Windows client. By placing a specially crafted file in a compromised folder, an attacker could exploit this vulnerability to execute arbitrary code on the system.

Recommendations For versions 9.7, 10.1, 10.5, 11.1, and 11.5, consider restricting access to compromised folders to minimize the risk of exploitation. As a temporary workaround, consider implementing additional security measures to prevent the placement of specially crafted files in sensitive directories. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Untrusted Search Path

Weakness Enumeration

CWE-426

Related Identifiers

CVE-2020-4739

Affected Products

Db2 Accessories Suite For Linux

Db2 Connect Server

Db2 For Linux

Windows

References · 6

• https://osv.dev/vulnerability/CVE-2020-4739 · Vendor Advisory
• https://ibm.com/support/pages/node/6370023 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-4739 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/188149 · Vendor Advisory
• https://t.me/cibsecurity/16657 · Telegram Post
• https://t.me/cvenotify/5936 · Telegram Post