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mirror of git://git.gnupg.org/gnupg.git synced 2024-12-22 10:19:57 +01:00
Werner Koch ef0a3abf73
scd: Fix possible NULL deref in apdu.c
* scd/apdu.c (control_pcsc_direct): Take care of BUFLEN being NULL.
(control_pcsc_wrapped): Ditto.
--

pcsc_vendor_specific_init calls the above with BUFFER and BUFLEN as
NULL.

Reported by Stack 0.3:

  bug: anti-dce
  model: |
    control_pcsc.exit77:
    %retval.0.i.i76 = phi i32 [ %rc.0.i.i.i73, \
            %pcsc_error_to_sw.exit.i.i74 ], [ 0, %if.end.i.i75 ]
    %tobool198 = icmp ne i32 %retval.0.i.i76, 0, !dbg !728
    br i1 %tobool198, label %if.then199, label %if.end200, !dbg !728
  stack:
    - /home/wk/s/gnupg/scd/apdu.c:1882:0
  ncore: 1
  core:
    - /home/wk/s/gnupg/scd/apdu.c:1309:0
      - buffer overflow
2015-03-15 12:15:55 +01:00
..
2015-03-15 12:15:55 +01:00
2014-07-25 09:43:29 +02:00
2013-02-08 09:06:39 +09:00
2015-03-09 11:00:03 +09:00
2014-08-14 14:09:37 +02:00
2013-02-08 09:06:39 +09:00
2014-11-11 10:13:10 +01:00
2013-02-08 09:06:39 +09:00