CVE-2008-6899 Memory corruption in n/a

Critical 9.0 Published 5 Aug 2009 Updated 7 Aug 2024

Remote authenticated users can execute arbitrary code or cause a denial of service via buffer overflows in SFTP commands.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2008-6899?

CVE-2008-6899 is a critical memory corruption vulnerability in n/a, published on 5 Aug 2009. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Multiple buffer overflows in freeSSHd 1.2.1 allow remote authenticated users to cause a denial of service (crash) and execute arbitrary code via a long (1) open, (2) unlink, (3) mkdir, (4) rmdir, or (5) stat SFTP command.

Weakness: CWE-119

Which versions are affected by CVE-2008-6899?

It affects 1 product.

Products include Freesshd Freesshd.

How do I fix CVE-2008-6899?

No fix has been published for CVE-2008-6899 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-2008-6899 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2008-6899 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-3642-x49m-7rpc.