Software PBLang 4.63 delpm.php authentication vulnerability

[Raven <raven () tgs-security com>]

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 [] HRG - Hackerlounge Research Group 
 [] Release: HRG009 
 [] Monday 03/01/05 
 [] Software PBLang 4.63 delpm.php authentication 
problem  
 []  
 [] The author can't be held responsible for any 
damage  
 [] done by a reader. You have your own resonsibility  
 [] Please use this document like it's meant to.  
 []  
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 Vulnerable: PBLang 4.63 (and earlier?)  
  
  
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 General information:  
  
 PBLang is an international BBS-software based on 
PHP. It does not require any database but bases on a 
flatfile system. Many professional features. More 
info on the project website.  
  
  
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 Description:  
  
 Anyone can delete anyone elses PM's as long as their 
logged in (as any user, really, doesn't need to be 
privileged). This could allow users to harass others 
and other stuff... Well, wreck havoc!  
  
  
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 Proof Of Concept:  
  
 http://localhost/pblang/delpm.php?id=[PMID]&a=[Target 
user name]  
  
  
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 Fix and Vendor status:  
  
 Vendor has been notified, expect official patch 
soon. 
  
  
 ---  
  
Greetz: 
 
All the people at hackerlounge.com, JWT, 
TGS-Security.com and JWT-Security.net. 
Specifically: 
 
Th3_R@v3n (me), Dlab, Riddick, Enjoi, Blademaster, 
Modzilla, Pingu, Jake Johnson, Afterburn, airo, 
cardiaC, chis, ComputerGeek, deep_phreeze, dudley, 
evasion, eXtacy, Mattewan, Afterburn, 
Thanatos_Starfire, Roz, Sirross, UmInAsHoE, Infinite, 
Slarty, NoUse, Snake (I hate you), Surreal (I hate 
you), -=Vanguard=-, The_IRS, puNKiey, driedice, 
Carnuss, oKiDaN, Mr.Mind, dementis, net-RIDER, 
voteforpedro, Cryptic_Override, kodaxx, 
~CreEpy~NoDquE~, Brainscan, the_exode, 
phillysteak12345, DerrtyJake, =>HeX<=, m0rk, and 
anyone else I forgot.  
 
 
--- 
 
Credit: 
 
HRG - Hackerlounge Research Group 
http://www.Hackerlounge.com  
 
 
 [][][][][][][][][][][][][][][][][][][][][][][][][][]
[][][]  
 []  
 [] HRG - Hackerlounge Research Group 
 [] Release: HRG009 
 [] Monday 03/01/05 
 [] Software PBLang 4.63 delpm.php authentication 
problem  
 []  
 [] The author can't be held responsible for any 
damage  
 [] done by a reader. You have your own resonsibility  
 [] Please use this document like it's meant to.  
 []  
 [][][][][][][][][][][][][][][][][][][][][][][][][][]
[][][]