CVE-2004-0644 Denial of service in n/a
Remote attackers can cause a denial of service via infinite loop in MIT Kerberos ASN.1 decoder.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2004-0644?
CVE-2004-0644 is a medium-severity denial of service vulnerability in Mit Kerberos 5, published on 10 Sep 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The asn1buf_skiptail function in the ASN.1 decoder library for MIT Kerberos 5 (krb5) 1.2.2 through 1.3.4 allows remote attackers to cause a denial of service (infinite loop) via a certain BER encoding.
Which versions are affected by CVE-2004-0644?
It affects 1 product.
Products include Mit Kerberos 5.
How do I fix CVE-2004-0644?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2004-0644 being exploited?
There is no known exploitation of CVE-2004-0644 in the wild and no public exploit code.
Other vulnerabilities in Mit Kerberos 5
Sources
Also known as DEBIAN-CVE-2004-0644, GHSA-gh6c-7j72-v6m8.