CVE-2006-2421 Memory corruption in n/a
Remote attackers can execute arbitrary code on FortressSSH servers by sending long SSH_MSG_KEXINIT messages that trigger a stack-based buffer overflow during logging.
- 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-2006-2421?
CVE-2006-2421 is a high-severity memory corruption vulnerability in n/a, published on 17 May 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Stack-based buffer overflow in Pragma FortressSSH 4.0.7.20 allows remote attackers to execute arbitrary code via long SSH_MSG_KEXINIT messages, which may cause an overflow when being logged. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Which versions are affected by CVE-2006-2421?
It affects 1 product.
Products include Pragma Systems Fortressssh.
How do I fix CVE-2006-2421?
No fix has been published for CVE-2006-2421 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-2006-2421 being exploited?
There is no known exploitation of CVE-2006-2421 in the wild and no public exploit code.
Sources
Also known as GHSA-4r73-xvcj-763w.