[Freeswitch-users] Buffer Overflow Issue

[Wesley Akio]

Thanks for the reply Anthony, found the FS Jira and LDNS bug reports...

Is this enum specific or does Sofia and other parts of FS use ldns as well?

I'm on CentOS so not sure If I'll be able to update.


On Mon, Nov 20, 2017 at 5:52 PM Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> yes, your version ldns has a bug where it uses select for sockets and you
> have more than 1024 sockets causing a buffer overflow.
> You need to get on a version of ldns that does not have this bug.
>
>
> On Mon, Nov 20, 2017 at 1:37 PM, Wesley Akio <wesleyakio at tuntscorp.com>
> wrote:
>
>> Hey guys, have any of you ever seen this?
>>
>> If not I'll file a Jira.
>>
>> Nov 17 14:03:33 fsc2c9 freeswitch: *** buffer overflow detected ***:
>> /usr/bin/freeswitch terminated
>> Nov 17 14:03:33 fsc2c9 freeswitch: ======= Backtrace: =========
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libc.so.6(__fortify_fail+0x37)[0x7fa91f207d87]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libc.so.6(+0x10df40)[0x7fa91f205f40]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libc.so.6(+0x10fcf7)[0x7fa91f207cf7]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libldns.so.1(+0x2f095)[0x7fa9198cf095]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libldns.so.1(ldns_udp_send+0x4f)[0x7fa9198cf57f]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libldns.so.1(ldns_send_buffer+0x29a)[0x7fa9198cfd1a]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libldns.so.1(ldns_send+0x89)[0x7fa9198d0029]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libldns.so.1(ldns_resolver_send_pkt+0x3d)[0x7fa9198d4e9d]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libldns.so.1(ldns_resolver_send+0x132)[0x7fa9198d52c2]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libldns.so.1(ldns_resolver_query+0xc0)[0x7fa9198d5400]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/freeswitch/mod/mod_enum.so(+0x33d0)[0x7fa919afc3d0]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/freeswitch/mod/mod_enum.so(+0x361a)[0x7fa919afc61a]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/freeswitch/mod/mod_enum.so(+0x3817)[0x7fa919afc817]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libfreeswitch.so.1(switch_core_session_run+0x242f)[0x7fa9218d5dbf]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libfreeswitch.so.1(+0x8933e)[0x7fa9218ce33e]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libfreeswitch.so.1(+0x84d83)[0x7fa9218c9d83]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libfreeswitch.so.1(+0x34b7c0)[0x7fa921b907c0]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libpthread.so.0(+0x7e25)[0x7fa91fb95e25]
>> Nov 17 14:03:33 fsc2c9 freeswitch:
>> /usr/lib64/libc.so.6(clone+0x6d)[0x7fa91f1f034d]
>> --
>> <http://www.tuntscorp.com/>
>>   *Wesley Akio*
>>
>>   Travessa da Lapa 96 - Sala 24
>>
>>   Centro – Curitiba – 80010-190
>>
>>   :  +55 (41) 99950-0033
>>
>>   :  +1 (305) 842-7095
>>
>>   : wesley_akio_
>>
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>
>
>
> --
> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>
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>
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-- 
<http://www.tuntscorp.com/>
  *Wesley Akio*

  Travessa da Lapa 96 - Sala 24

  Centro – Curitiba – 80010-190

  :  +55 (41) 99950-0033

  :  +1 (305) 842-7095

  : wesley_akio_
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