Vulnerability CVE-2012-2670
Published: 2012-06-16   Modified: 2012-06-17

Description:
manageuser.php in Collabtive before 0.7.6 allows remote authenticated users, and possibly unauthenticated attackers, to bypass intended access restrictions and upload and execute arbitrary files by uploading an avatar file with an accepted Content-Type such as image/jpeg, then accessing it via a direct request to the file in files/standard/avatar.

See advisories in our WLB2 database:
Topic
Author
Date
High
Collabtive 0.7.5 Shell Upload
Mark Hoopes
06.06.2012

Type:

CWE-20

 (Improper Input Validation)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
O-dyn -> Collabtive 

 References:
http://xync.org/2012/06/04/Arbitrary-File-Upload-in-Collabtive.html
http://xforce.iss.net/xforce/xfdb/76101
http://www.securityfocus.com/bid/53813
http://www.securityfocus.com/archive/1/522973/30/0/threaded
http://www.openwall.com/lists/oss-security/2012/06/06/9
http://www.openwall.com/lists/oss-security/2012/06/06/6
http://www.collabtive.o-dyn.de/blog/?p=426
http://archives.neohapsis.com/archives/bugtraq/2012-06/0007.html
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