The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Kerberos | Mit | 5-1.6.3 (including) | 5-1.6.3 (including) |
| Krb5 | Ubuntu | devel | * |
| Krb5 | Ubuntu | gutsy | * |
| Krb5 | Ubuntu | hardy | * |
| Krb5 | Ubuntu | intrepid | * |
| Krb5 | Ubuntu | upstream | * |