CVE-2000-0550 Use after free in n/a
Remote attackers can cause a denial of service in Kerberos 4 KDC via a double-free vulnerability.
- 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-2000-0550?
CVE-2000-0550 is a medium-severity use after free vulnerability in Mit Kerberos 5, published on 13 Oct 2000. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Kerberos 4 KDC program improperly frees memory twice (aka "double-free"), which allows remote attackers to cause a denial of service.
Which versions are affected by CVE-2000-0550?
It affects 4 products.
Products include Cygnus Cygnus Network Security, Cygnus Kerbnet, Mit Kerberos, Mit Kerberos 5.
How do I fix CVE-2000-0550?
No fix has been published for CVE-2000-0550 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2000-0550 being exploited?
There is no known exploitation of CVE-2000-0550 in the wild and no public exploit code.
Other vulnerabilities in Mit Kerberos 5
Sources
Also known as GHSA-2j8h-wx6g-vcxm.