[asterisk-bugs] [JIRA] (ASTERISK-21205) dundi_read_result crash

[Rusty Newton (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-21205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rusty Newton updated ASTERISK-21205:
------------------------------------

    Status: Open  (was: Triage)
    
> dundi_read_result crash
> -----------------------
>
>                 Key: ASTERISK-21205
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21205
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: PBX/pbx_dundi
>    Affects Versions: 11.2.1
>         Environment: gentoo linux
> kernel 3.7.3
>            Reporter: Jaco Kroon
>            Severity: Critical
>         Attachments: asterisk-11.2.1-dundi-segfault-on-fail.patch
>
>
> Should dundi_lookup_internal return a negative number then so will dundi_lookup, which usually gets assigned to num_results, which is an unsigned int.  Later when sorting this number is taken "as is", which then results in an out-of-bounds situation and a segfault (usually).

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