[asterisk-bugs] [JIRA] (ASTERISK-26873) realtime_odbc: heap-buffer-overflow in SQLGetData

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=235824#comment-235824 ] 

Asterisk Team commented on ASTERISK-26873:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

> realtime_odbc: heap-buffer-overflow in SQLGetData
> -------------------------------------------------
>
>                 Key: ASTERISK-26873
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26873
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>            Reporter: Badalian Vyacheslav
>            Severity: Minor
>
> {code}
> =================================================================
> ==16938==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x606000160975 at pc 0x7fbb2500bff3 bp 0x7fbae98966b0 sp 0x7fbae9895e58
> READ of size 22 at 0x606000160975 thread T153
>     #0 0x7fbb2500bff2  (/lib64/libasan.so.3+0x3cff2)
>     #1 0x7fbb1a2fbee5 in SQLGetData (/usr/lib64/libmyodbc5a.so+0x5fee5)
>     #2 0x7fbb1b544d66 in SQLGetData (/lib64/libodbc.so.2+0x19d66)
>     #3 0x7fbb13913ec6 in realtime_odbc /home/pbs.vbadalyan/asterisk-13.14.0/res/res_config_odbc.c:261
>     #4 0x5a6c6f in ast_load_realtime_all_fields /home/pbs.vbadalyan/asterisk-13.14.0/main/config.c:3257
>     #5 0x5a76db in ast_load_realtime_fields /home/pbs.vbadalyan/asterisk-13.14.0/main/config.c:3291
>     #6 0x5a76db in ast_load_realtime /home/pbs.vbadalyan/asterisk-13.14.0/main/config.c:3340
>     #7 0x7fbaef2e21a4 in realtime_peer_by_name /home/pbs.vbadalyan/asterisk-13.14.0/channels/chan_sip.c:5439
>     #8 0x7fbaef2e21a4 in realtime_peer /home/pbs.vbadalyan/asterisk-13.14.0/channels/chan_sip.c:5626
>     #9 0x7fbaef2e21a4 in sip_find_peer_full /home/pbs.vbadalyan/asterisk-13.14.0/channels/chan_sip.c:5741
>     #10 0x7fbaef2e2e68 in sip_find_peer /home/pbs.vbadalyan/asterisk-13.14.0/channels/chan_sip.c:5780
>     #11 0x7fbaef3412ff in register_verify /home/pbs.vbadalyan/asterisk-13.14.0/channels/chan_sip.c:17628
>     #12 0x7fbaef345fee in handle_request_register /home/pbs.vbadalyan/asterisk-13.14.0/channels/chan_sip.c:28467
>     #13 0x7fbaef345fee in handle_incoming /home/pbs.vbadalyan/asterisk-13.14.0/channels/chan_sip.c:28775
>     #14 0x7fbaef34ac4a in handle_request_do /home/pbs.vbadalyan/asterisk-13.14.0/channels/chan_sip.c:28943
>     #15 0x7fbaef34e10e in sip_websocket_callback /home/pbs.vbadalyan/asterisk-13.14.0/channels/chan_sip.c:2659
>     #16 0x7fbb0d13abf4 in __ast_websocket_uri_cb /home/pbs.vbadalyan/asterisk-13.14.0/res/res_http_websocket.c:905
>     #17 0x63cb05 in handle_uri /home/pbs.vbadalyan/asterisk-13.14.0/main/http.c:1482
>     #18 0x63cb05 in httpd_process_request /home/pbs.vbadalyan/asterisk-13.14.0/main/http.c:1906
>     #19 0x63d599 in httpd_helper_thread /home/pbs.vbadalyan/asterisk-13.14.0/main/http.c:1993
>     #20 0x7930cf in handle_tcptls_connection /home/pbs.vbadalyan/asterisk-13.14.0/main/tcptls.c:742
>     #21 0x7b212f in dummy_start /home/pbs.vbadalyan/asterisk-13.14.0/main/utils.c:1235
>     #22 0x7fbb22e83dc4 in start_thread (/lib64/libpthread.so.0+0x7dc4)
>     #23 0x7fbb2216373c in clone (/lib64/libc.so.6+0xf773c)
> {code}
> some effect with mysql-connector-odbc-5.3.7-1.el7.x86_64 and mysql-connector-odbc-5.3.6-1.el7.x86_64



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