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adminvote.sma exploit fix (#823)

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* Restrict having ".." character sequence in amx_votemap command arguments

Fixes exploit on Windows servers that allows executing potentially dangerous console commands

* Fix typo

containi -> contain
This commit is contained in:
Juice 2020-05-29 02:04:16 +03:00 committed by Arkshine
parent 4b335adfe8
commit 936c9477be
1 changed files with 4 additions and 1 deletions
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3
plugins/adminvote.sma
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@ -239,6 +239,9 @@ public cmdVoteMap(id, level, cid)
{ {
read_argv(i, g_optionName[g_validMaps], 31) read_argv(i, g_optionName[g_validMaps], 31)
if (contain(g_optionName[g_validMaps], "..") != -1)
continue
if (is_map_valid(g_optionName[g_validMaps])) if (is_map_valid(g_optionName[g_validMaps]))
g_validMaps++ g_validMaps++
} }