Kerberos5 Multiple Integer Underflow Vulnerabilities

Summary
This host is installed with Kerberos5 and is prone to multiple Integer Underflow vulnerability.
Impact
Successful exploitation will allow attacker to cause a denial of service or possibly execute arbitrary code. Impact level: Application
Solution
Apply patch from below link, http://web.mit.edu/kerberos/advisories/2009-004-patch_1.7.txt http://web.mit.edu/kerberos/advisories/2009-004-patch_1.6.3.txt ***** NOTE: Ignore this warning if above mentioned patch is already applied. *****
Insight
Multiple Integer Underflow due to errors within the 'AES' and 'RC4' decryption functionality in the crypto library in MIT Kerberos when proccessing ciphertext with a length that is too short to be valid.
Affected
kerberos5 version 1.3 to 1.6.3, and 1.7
References