[Mimedefang] suspicious characters in body

Jeremy jeremy at electrosilk.net
Thu May 9 18:04:43 EDT 2002


From: "David F. Skoll" <dfs at roaringpenguin.com>

> > i only have seen two hex b9 characters.
>
> The only thing which should trigger this message is a carriage-return
> in the e-mail which is NOT followed by a linefeed.

I have had an innocuous message quarantined by 2.09 as well.  Here is a hex
dump of the relevant section.  It appears to be triggered by two NULL
characters inserted at the end of the AVG virus warning.

0000848: 7665 722e 0d0a 0d0a  ver.....
0000850: 0d0a 2d2d 2d0d 0a4f  ..---..O
0000858: 7574 676f 696e 6720  utgoing
0000860: 6d61 696c 2069 7320  mail is
0000868: 6365 7274 6966 6965  certifie
0000870: 6420 5669 7275 7320  d Virus
0000878: 4672 6565 2e0d 0a43  Free...C
0000880: 6865 636b 6564 2062  hecked b
0000888: 7920 4156 4720 616e  y AVG an
0000890: 7469 2d76 6972 7573  ti-virus
0000898: 2073 7973 7465 6d20   system
00008a0: 2868 7474 703a 2f2f  (http://
00008a8: 7777 772e 6772 6973  www.gris
00008b0: 6f66 742e 636f 6d29  oft.com)
00008b8: 2e0d 0a56 6572 7369  ...Versi
00008c0: 6f6e 3a20 362e 302e  on: 6.0.
00008c8: 3335 3120 2f20 5669  351 / Vi
00008d0: 7275 7320 4461 7461  rus Data
00008d8: 6261 7365 3a20 3139  base: 19
00008e0: 3720 2d20 5265 6c65  7 - Rele
00008e8: 6173 6520 4461 7465  ase Date
00008f0: 3a20 3139 2f30 342f  : 19/04/
00008f8: 3230 3032 0d0a 2000  2002.. .  <<< Problem here ??
0000900: 000d 0a0d 0a2d 2d2d  .....---  <<< and here ??
0000908: 2d2d 2d2d 2d2d 2d2d  --------
0000910: 2d2d 2d2d 2d2d 2d2d  --------
0000918: 2d2d 2d2d 2d2d 2d2d  --------
0000920: 2d2d 2d2d 2d2d 2d2d  --------
0000928: 2d2d 2d2d 2d2d 2d2d  --------
0000930: 2d2d 2d2d 2d2d 2d2d  --------
0000938: 2d2d 2d2d 2d2d 2d2d  --------
0000940: 2d2d 2d2d 2d2d 2d2d  --------
0000948: 2d2d 2d2d 2d2d 2d2d  --------
0000950: 2d0d 0a54 6f20 7265  -..To re





More information about the MIMEDefang mailing list