adminvote.sma exploit fix (#823)

* 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

View File

@ -238,7 +238,10 @@ public cmdVoteMap(id, level, cid)
for (new i = 1; i < argc; ++i)
{
read_argv(i, g_optionName[g_validMaps], 31)
if (contain(g_optionName[g_validMaps], "..") != -1)
continue
if (is_map_valid(g_optionName[g_validMaps]))
g_validMaps++
}