CVE-2010-1320 Use after free in n/a
Remote authenticated users can crash the Kerberos KDC or execute arbitrary code via a double free vulnerability in ticket renewal or validation requests.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2010-1320?
CVE-2010-1320 is a medium-severity use after free vulnerability in Mit Kerberos 5, published on 22 Apr 2010. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Double free vulnerability in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7.x and 1.8.x before 1.8.2 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a request associated with (1) renewal or (2) validation.
Weakness: CWE-399
Which versions are affected by CVE-2010-1320?
It affects 1 product.
Products include Mit Kerberos 5.
How do I fix CVE-2010-1320?
Upgrade to a fixed version.
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-2010-1320 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-1320 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Mit Kerberos 5
Sources
Also known as DEBIAN-CVE-2010-1320, GHSA-xrh6-gg74-rf7v.