CVE-2020-6835 Memory corruption in n/a

Critical 9.8 Published Updated

A heap-based off-by-one error in Bftpd allows attackers to cause memory corruption, potentially leading to code execution or denial of service.

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-2020-6835?

CVE-2020-6835 is a critical memory corruption vulnerability in n/a, published on 10 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file-transfer error checking.

Weakness: CWE-193

Which versions are affected by CVE-2020-6835?

It affects 1 product.

Products include Bftpd Project Bftpd.

How do I fix CVE-2020-6835?

No fix has been published for CVE-2020-6835 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-2020-6835 being exploited?

There is no known exploitation of CVE-2020-6835 in the wild and no public exploit code.

Sources

Also known as GHSA-55hx-v69w-vhcr.

Is CVE-2020-6835 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free