CVE-2021-43082 heap-buffer-overflow with stats-over-http plugin
A heap buffer overflow in the stats-over-http plugin allows attackers to overwrite memory, potentially leading to code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-43082?
CVE-2021-43082 is a critical memory corruption vulnerability in Apache Traffic Server, published on 3 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in the stats-over-http plugin of Apache Traffic Server allows an attacker to overwrite memory. This issue affects Apache Traffic Server 9.1.0.
Weakness: CWE-120
Which versions are affected by CVE-2021-43082?
It affects 1 product.
Products include Apache Traffic Server.
How do I fix CVE-2021-43082?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-43082 being exploited?
There is no known exploitation of CVE-2021-43082 in the wild and no public exploit code.
Other vulnerabilities in Apache Traffic Server
Sources
Also known as DEBIAN-CVE-2021-43082, GHSA-6mp9-9wj5-hg44.