CVE-2022-22989 Pre-authenticated stack overflow vulnerability on FTP Service

What is CVE-2022-22989?

CVE-2022-22989 is a critical memory corruption vulnerability in Western Digital My Cloud, published on 13 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

My Cloud OS 5 was vulnerable to a pre-authenticated stack overflow vulnerability on the FTP service that could be exploited by unauthenticated attackers on the network. Addressed the vulnerability by adding defenses against stack overflow issues.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2022-22989?

It affects 1 product.

Products include Westerndigital My Cloud Os.

How do I fix CVE-2022-22989?

No fix has been published for CVE-2022-22989 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-2022-22989 being exploited?

There is no known exploitation of CVE-2022-22989 in the wild and no public exploit code.

Other vulnerabilities in Western Digital My Cloud

• CVE-2023-22814 Authentication Bypass issue in My Cloud OS 5 devices Critical 10.0
• CVE-2022-29842 Command Injection Vulnerability in Western Digital My Cloud devices Critical 9.8
• CVE-2021-36224 Hardcoded credentials in n/a Critical 9.8
• CVE-2021-36226 Security feature bypass in n/a Critical 9.8
• CVE-2021-36225 Missing authorization in n/a High 8.8

Sources

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

Also known as GHSA-xjqw-8fp3-69c2.