PT-2022-11228 · Kingsoft · Wps Office

Icewall + 1 · Published 2022-05-12 · Updated 2022-05-23 · CVE-2021-40399

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions WPS Office version 11.2.0.10351

Description A use-after-free condition can be triggered by a specially-crafted XLS file, resulting in remote code execution. An attacker needs to provide a malformed file to the victim to exploit this issue.

Recommendations For version 11.2.0.10351, consider avoiding the use of WPS Spreadsheets until a patch is available, and be cautious when opening XLS files from untrusted sources. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-40399

Affected Products

Wps Office

References · 5

• https://osv.dev/vulnerability/CVE-2021-40399 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-40399 · Security Note
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1412 · Note
• https://t.me/cvenotify/30121 · Telegram Post
• https://security.wps.cn/notices/28 · Note