[asterisk-bugs] [JIRA] (ASTERISK-28402) res_pjsip_registrar: SEGV in registrar_find_contact

[Friendly Automation (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=247065#comment-247065 ] 

Friendly Automation commented on ASTERISK-28402:
------------------------------------------------

Change 11335 merged by Friendly Automation:
res_pjsip:  Check return from pjsip_parse_uri calls

[https://gerrit.asterisk.org/c/asterisk/+/11335|https://gerrit.asterisk.org/c/asterisk/+/11335]

> res_pjsip_registrar: SEGV in registrar_find_contact
> ---------------------------------------------------
>
>                 Key: ASTERISK-28402
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28402
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_pjsip_registrar
>    Affects Versions: 13.26.0, GIT
>         Environment: CentOS 7
>            Reporter: Ross Beer
>            Assignee: George Joseph
>              Labels: pjsip
>
> Multiple Asterisk instances all crashed when receiving a register from an endpoint with the same contact_uri:
> {noformat}
> contact_uri = 0x7fc601192540 "sip:<user>@<IP ADDRESS>:18278;transport=TCP;app-id=929724111839;pn-type=firebase;pn-tok=dm50F_axqHM:APA91bEcOCDKDjzqSaKJycnjVtunl7fV8tsf5ERUFxB6KWvppJNh-bN3NYhMVhrDgVyXy4Kf_bsasntpuKgJmIWyNMK0IEzd"...
> {noformat}
> This contact somehow leads to a null pointer being compared which causes an Asterisk segfault:
> {noformat}
> #0  0x00007fc8061bc189 in pjsip_url_compare (context=PJSIP_URI_IN_CONTACT_HDR, url1=0x7fc71fada0c8, url2=0x0) at ../src/pjsip/sip_uri.c:400
> {noformat}
> I



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