The ims_auth module reads the value from the Content-Length header of a REGISTER request, before decoding the message body. Due to a missing null pointer check, reading this value leads to core dump in case the Content-Length header is missing.

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#### Description <!-- Describe your changes in detail --> Added a null pointer check in function ims_get_body() - file utils.c of module ims_auth - to check whether Content-Length Header was present in REGISTER message. If Content-Length Header is not present, a Default value of 0 will be assumed.

You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/1213

-- Commit Summary --

* ims_auth: fixed rare core dump, due to null ptr check

-- File Changes --

M src/modules/ims_auth/utils.c (4)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/1213.patch https://github.com/kamailio/kamailio/pull/1213.diff