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Last updated: 10/24/2014 9:39:49 AM

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Vulnerability Summary for CVE-2007-3295

Original release date: 06/20/2007
Last revised: 10/30/2012


Directory traversal vulnerability in Yet another Bulletin Board (YaBB) 2.1 and earlier allows remote authenticated users to execute arbitrary Perl code via a .. (dot dot) in the userlanguage profile setting, which sets the userlanguage key of the member hash, and is propagated to the language variable in (1) HelpCentre.pl and (2) ICQPager.pl, (3) the use_lang variable in Subs.pl, and the actlang variable in (4) Post.pl and (5) InstantMessage.pl; as demonstrated by pointing userlanguage to the English folder, modifying English/HelpCentre.lng file to contain Perl statements, and then invoking the help action in YaBB.pl.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 6.5 (MEDIUM) (AV:N/AC:L/Au:S/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: OSVDB
Name: 37238
External Source: SECUNIA
Name: 25734
External Source: BID
Name: 24529
External Source: XF
Name: yabb-multiple-language-file-include(34932)
External Source: BUGTRAQ
Name: 20070619 Local File Include Vulnerabilities in YaBB <= 2.1(all version)
External Source: SREASON
Name: 2818

Technical Details

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