CVE-2023-31275 Memory corruption in WPS Office

What is CVE-2023-31275?

CVE-2023-31275 is a high-severity memory corruption vulnerability in WPS Office, published on 27 Nov 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An uninitialized pointer use vulnerability exists in the functionality of WPS Office 11.2.0.11537 that handles Data elements in an Excel file. A specially crafted malformed file can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability.

Weakness: CWE-908, CWE-457

Which versions are affected by CVE-2023-31275?

It affects 1 product.

Products include Kingsoft Wps Office.

How do I fix CVE-2023-31275?

No fix has been published for CVE-2023-31275 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-31275 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-31275 exists.

Other vulnerabilities in WPS Office

• CVE-2024-7262 Kingsoft WPS Office Path Traversal Exploited Critical 9.3
• CVE-2024-7263 Arbitrary Code Execution in WPS Office Critical 9.3
• CVE-2023-32548 Command injection in WPS Office High 8.1
• CVE-2022-25969 Other in The installer of WPS Office High 7.8
• CVE-2022-26081 Other in The installer of WPS Office High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cfc9-f8qw-f5wh.