PT-2020-16068 · Kingsoft+1 · Kingsoft Wps Office+1

Published 2020-09-13 · Updated 2020-10-05 · CVE-2020-25291

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 Kingsoft WPS Office versions prior to 11.2.0.9403

Description The issue allows remote heap corruption via a crafted PLTE chunk in PNG data within a Word document. This is related to the QBrush::setMatrix function in gui/painting/qbrush.cpp in Qt 4.x. The GdiDrawHoriLineIAlt function is also involved in this issue.

Recommendations For Kingsoft WPS Office versions prior to 11.2.0.9403, update to version 11.2.0.9403 or later to resolve the issue. As a temporary workaround, consider avoiding the use of crafted PNG data within Word documents until the update is applied.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-25291

Affected Products

Kingsoft Wps Office

Qt

References · 4

• 🔥 http://zeifan.my/security/rce/heap/2020/09/03/wps-rce-heap.html · Exploit
• https://osv.dev/vulnerability/CVE-2020-25291 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-25291 · Security Note
• https://t.me/cybersecuritytechnologies/1860 · Telegram Post