CVE-2012-6122 Memory corruption in chicken
Attackers can cause a denial of service crash in the Chicken Scheme compiler by exploiting a buffer overflow in the thread scheduler.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-6122?
CVE-2012-6122 is a high-severity memory corruption vulnerability in chicken, published on 31 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer overflow in the thread scheduler in Chicken before 4.8.0.1 allows attackers to cause a denial of service (crash) by opening a file descriptor with a large integer value.
Weakness: CWE-120
Which versions are affected by CVE-2012-6122?
It affects 1 product.
Products include Call-Cc Chicken.
How do I fix CVE-2012-6122?
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-2012-6122 being exploited?
There is no known exploitation of CVE-2012-6122 in the wild and no public exploit code.
Other vulnerabilities in chicken
Sources
Also known as DEBIAN-CVE-2012-6122, GHSA-4998-37gp-jj47.