CVE-2009-0844 Memory corruption in n/a
Remote attackers can crash the Kerberos daemon or read sensitive memory via a crafted length value in SPNEGO implementation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2009-0844?
CVE-2009-0844 is a medium-severity memory corruption vulnerability in Mit Kerberos 5, published on 9 Apr 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The get_input_token function in the SPNEGO implementation in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3 allows remote attackers to cause a denial of service (daemon crash) and possibly obtain sensitive information via a crafted length value that triggers a buffer over-read.
Weakness: CWE-119
Which versions are affected by CVE-2009-0844?
It affects 2 products.
Products include Mit Kerberos, Mit Kerberos 5.
How do I fix CVE-2009-0844?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2009-0844 being exploited?
There is no known exploitation of CVE-2009-0844 in the wild and no public exploit code.
Other vulnerabilities in Mit Kerberos 5
Sources
Also known as DEBIAN-CVE-2009-0844, GHSA-4h8p-gqwx-mmw3.