Vulnerability CVE-2006-4467
Published: 2006-08-31   Modified: 2012-02-12

Description:
Simple Machines Forum (SMF) 1.1RCx before 1.1RC3, and 1.0.x before 1.0.8, does not properly unset variables when the input data includes a numeric parameter with a value matching an alphanumeric parameter's hash value, which allows remote attackers to perform directory traversal attacks to read arbitrary local files, lock topics, and possibly have other security impacts. NOTE: it could be argued that this vulnerability is due to a bug in the unset PHP command (CVE-2006-3017) and the proper fix should be in PHP; if so, then this should not be treated as a vulnerability in Simple Machines Forum.

See advisories in our WLB2 database:
Topic
Author
Date
High
Simple Machines Forum <=1.1RC2 unset() vulnerabilities
rgod
01.09.2006

Type:

CWE-Other

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Simple machines -> Simple machines forum 

 References:
http://retrogod.altervista.org/smf_11rc2_local_incl.html
http://retrogod.altervista.org/smf_11rc2_lock.html
http://securityreason.com/securityalert/1475
http://www.securityfocus.com/archive/1/444053/100/100/threaded
http://www.simplemachines.org/community/index.php?topic=107112.0
http://www.simplemachines.org/community/index.php?topic=107135.0
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