| Revision Date: | 2017-12-06 | Version: | 1 | | Title: | CVE-2017-17439 on Ubuntu 16.04 LTS (xenial) - medium. | | Description: | In Heimdal through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm. The parser would unconditionally dereference NULL pointers in that case, leading to a segmentation fault. This is related to the _kdc_as_rep function in kdc/kerberos5.c and the der_length_visible_string function in lib/asn1/der_length.c.
| | Family: | unix | Class: | vulnerability | | Status: | | Reference(s): | CVE-2017-17439
| | Platform(s): | Ubuntu 16.04 LTS
| Product(s): | | | Definition Synopsis | | Ubuntu 16.04 LTS (xenial) is installed. AND Package Information
NOT heimdal-clients package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT heimdal-kcm package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT heimdal-kdc package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT heimdal-multidev package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT heimdal-servers package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libasn1-8-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libgssapi3-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libhcrypto4-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libhdb9-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libheimbase1-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libheimntlm0-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libhx509-5-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libkadm5clnt7-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libkadm5srv8-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libkafs0-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libkdc2-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libkrb5-26-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libotp0-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libroken18-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libsl0-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
OR NOT libwind0-heimdal package in xenial, while related to the CVE in some way, is not affected (note: 'code not present').
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