CVE-2021-25832 Memory corruption in n/a
A heap buffer overflow in ONLYOFFICE DocumentServer allows attackers to execute arbitrary code remotely via malicious BMP images.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-25832?
CVE-2021-25832 is a critical memory corruption vulnerability in n/a, published on 1 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A heap buffer overflow vulnerability inside of BMP image processing was found at [core] module of ONLYOFFICE DocumentServer v4.0.0-9-v6.0.0. Using this vulnerability, an attacker is able to gain remote code executions on DocumentServer.
Weakness: CWE-787
Which versions are affected by CVE-2021-25832?
It affects 1 product.
Products include Onlyoffice Document Server.
How do I fix CVE-2021-25832?
No fix has been published for CVE-2021-25832 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-2021-25832 being exploited?
There is no known exploitation of CVE-2021-25832 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-mfqv-9gj9-6f5v.