PT-2021-7072 · Corel · Word97Import200.Dll+1

Kushal Arvind Shah · Published 2021-03-01 · Updated 2021-10-07 · CVE-2021-38110

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Corel WordPerfect version 20.0.0.200

Description The issue is related to an Out-of-bounds Write vulnerability in the Word97Import200.dll library when parsing a crafted file. This could allow an unauthenticated attacker to achieve arbitrary code execution in the context of the current user by exploiting this vulnerability with a specially formed DOC file. Exploitation requires user interaction, where a victim must open a malicious DOC file.

Recommendations For Corel WordPerfect version 20.0.0.200, consider avoiding the use of the Word97Import200.dll library until a patch is available. As a temporary workaround, refrain from opening DOC files from untrusted sources to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2022-03191

CVE-2021-38110

Affected Products

Corel Wordperfect

Word97Import200.Dll

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2021-38110 · Security Note
• https://bdu.fstec.ru/vul/2022-03191 · Security Note
• https://osv.dev/vulnerability/CVE-2021-38110 · Vendor Advisory
• https://t.me/cvenotify/22065 · Telegram Post
• https://t.me/cvenotify/21848 · Telegram Post
• https://fortinet.com/blog/threat-research/fortinet-security-researcher-discovers-multiple-vulnerabilities-across-multiple-corel-products · Note
• https://fortiguard.com/zeroday/FG-VD-21-036 · Note