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cyberschool CMS [FCKeditor] Arbitrary File Upload Vulnerability

CVE	Category	Price	Severity
N/A	CWE-434	Not specified	High

Author	Risk	Exploitation Type	Date
Not specified	High	Remote	2012-07-16

CVSS	EPSS	EPSSP
CVSS:4.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H	0.02192	0.50148

CVSS vector description

Metric	Value	Metric Description	Value Description
Attack vector	Network	AV	The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230).
Attack Complexity	High	AC	The successful attack depends on the evasion or circumvention of security-enhancing techniques in place that would otherwise hinder the attack. These include: Evasion of exploit mitigation techniques. The attacker must have additional methods available to bypass security measures in place. For example, circumvention of address space randomization (ASLR) or data execution prevention must be performed for the attack to be successful. Obtaining target-specific secrets. The attacker must gather some target-specific secret before the attack can be successful. A secret is any piece of information that cannot be obtained through any amount of reconnaissance. To obtain the secret the attacker must perform additional attacks or break otherwise secure measures (e.g. knowledge of a secret key may be needed to break a crypto channel). This operation must be performed for each attacked target.
Privileges Required	None	PR	The attacker is unauthenticated prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack.
Scope		S	An exploited vulnerability can affect resources beyond the security scope managed by the security authority that is managing the vulnerable component. This is often referred to as a 'privilege escalation,' where the attacker can use the exploited vulnerability to gain control of resources that were not intended or authorized.
Confidentiality	High	C	There is total information disclosure, resulting in all data on the system being revealed to the attacker, or there is a possibility of the attacker gaining control over confidential data.
Integrity	High	I	There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the attacker being able to modify any file on the target system.
Availability	High	A	There is a total shutdown of the affected resource. The attacker can deny access to the system or data, potentially causing significant loss to the organization.

Our sensors found this exploit at: http://cxsecurity.com/ascii/WLB-2012070068

Below is a copy:

######################
#
# Exploit Title : cyberschool CMS [FCKeditor] Arbitrary File Upload Vulnerability
#
# Author        : IrIsT.Ir
#
# Discovered By : Am!r
#
# Home          : http://IrIsT.Ir/forum
#
# Software Link : http://www.cyberschool.com/
#
# Security Risk : High
#
# Version       : All Version
#
# Tested on     : GNU/Linux Ubuntu - Windows Server - win7
#
# Dork          : intext:"Web Development by IES, Inc"
#
######################
#
#  Expl0iTs :
#
#  http://target.com/fckeditor/editor/filemanager/browser/default/browser.html
#
#
# D3mo :
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# jsd.xxxx2.ca.us/fckeditor/editor/filemanager/browser/default/browser.html
#
# menxxxsd.org/fckeditor/editor/filemanager/browser/default/browser.html
#
# whittixxxistian.org/fckeditor/editor/filemanager/browser/default/browser.html
#
######################
#
# Greats : B3HZ4D - Crim3R - nimaarek - 0x0ptim0us - Net.Edit0r - A.Cr0x - G3n3rall - 
#
# R3ZA BLACK HAT - TaK.FaNaR - m3hdi - F@rid - Siamak.Black - H4x0r - dr.tofan - skote_vahshat - 
#
# d3c0d3r - Dr.Security - Mr.Xpr - Bl4ck_king - hellboy - Shekaf & All Members In IrIsT.Ir
#
######################

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