CVE-2021-26567 Memory corruption in faad2
Local attackers can execute arbitrary code via a stack-based buffer overflow in the FAAD2 audio decoder library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-26567?
CVE-2021-26567 is a high-severity memory corruption vulnerability in Synology Diskstation Manager, published on 26 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Stack-based buffer overflow vulnerability in frontend/main.c in faad2 before 2.2.7.1 allow local attackers to execute arbitrary code via filename and pathname options.
Which versions are affected by CVE-2021-26567?
It affects 5 products.
Products include Faad2 Project Faad2, Synology Diskstation Manager, Synology Diskstation Manager Unified Controller, Synology Skynas Firmware, Synology Vs960hd Firmware.
How do I fix CVE-2021-26567?
No fix has been published for CVE-2021-26567 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-2021-26567 being exploited?
There is no known exploitation of CVE-2021-26567 in the wild and no public exploit code.
Other vulnerabilities in Synology Diskstation Manager
Sources
Also known as GHSA-f4px-mf48-4h8c.