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19 lines
670 B
19 lines
670 B
Patch by Hilko Bengen <bengen@debian.org> for dsniff >= 2.4b1, to avoid a |
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possible DoS opportunity in the Tabular Data Stream protocol handler. For |
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further information, please have a look to the Debian bug ID #609988 and |
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#712648. |
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--- dsniff-2.4/decode_tds.c 2013-12-19 23:36:26.000000000 +0100 |
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+++ dsniff-2.4/decode_tds.c.tds_decoder 2013-12-19 23:38:01.000000000 +0100 |
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@@ -144,6 +144,11 @@ |
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len > sizeof(*th) && len >= ntohs(th->size); |
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buf += ntohs(th->size), len -= ntohs(th->size)) { |
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+ if (th->size != 8) { |
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+ /* wrong header length */ |
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+ break; |
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+ } |
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+ |
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if (th->type == 2) { |
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/* Version 4.x, 5.0 */ |
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if (len < sizeof(*th) + sizeof(*tl))
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