CVE-2012-1015 Memory corruption in n/a
Remote attackers can execute arbitrary code or cause denial of service in MIT Kerberos KDC via crafted AS-REQ requests due to improper checksum verification.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-1015?
CVE-2012-1015 is a critical memory corruption vulnerability in Mit Kerberos 5, published on 6 Aug 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The kdc_handle_protected_negotiation function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x before 1.9.5, and 1.10.x before 1.10.3 attempts to calculate a checksum before verifying that the key type is appropriate for a checksum, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized pointer free, heap memory corruption, and daemon crash) via a crafted AS-REQ request.
Weakness: CWE-20
Which versions are affected by CVE-2012-1015?
It affects 1 product.
Products include Mit Kerberos 5.
How do I fix CVE-2012-1015?
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-2012-1015 being exploited?
There is no known exploitation of CVE-2012-1015 in the wild and no public exploit code.
Other vulnerabilities in Mit Kerberos 5
Sources
Also known as DEBIAN-CVE-2012-1015, GHSA-phxm-4gpx-94fr.