VDB-100906 · CVE-2017-8760 · GCVE-0-2017-8760

Accellion FTA prior FTA_9_12_180 WAF Filter courier/1000@/index.html auth_params cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Accellion FTA. This vulnerability affects unknown code of the file courier/1000@/index.html of the component WAF Filter. Executing a manipulation of the argument auth_params can lead to cross site scripting. This vulnerability is handled as CVE-2017-8760. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Accellion FTA. It has been declared as problematic. This vulnerability affects an unknown functionality of the file courier/1000@/index.html of the component WAF Filter. The manipulation of the argument auth_params with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

An issue was discovered on Accellion FTA devices before FTA_9_12_180. There is XSS in courier/1000@/index.html with the auth_params parameter. The device tries to use internal WAF filters to stop specific XSS Vulnerabilities. However, these can be bypassed by using some modifications to the payloads, e.g., URL encoding.

The bug was discovered 05/05/2017. The weakness was released 05/05/2017 (Website). The advisory is available at gist.github.com. This vulnerability was named CVE-2017-8760 since 05/03/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

By approaching the search of inurl:courier/1000@/index.html it is possible to find vulnerable targets with Google Hacking.

Upgrading to version FTA_9_12_180 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-100903, VDB-100904, VDB-100907 and VDB-100908. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Accellion

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FTA FTA_9_12_180

Timelineinfo

05/03/2017 🔍
05/05/2017 +2 days 🔍
05/05/2017 +0 days 🔍
05/05/2017 +0 days 🔍
05/06/2017 +1 days 🔍
09/24/2020 +1237 days 🔍

Sourcesinfo

Advisory: gist.github.com
Status: Not defined

CVE: CVE-2017-8760 (🔍)
GCVE (CVE): GCVE-0-2017-8760
GCVE (VulDB): GCVE-100-100906
OSVDB: - CVE-2017-8760 - Accellion - File Transfer Appliance - Medium

See also: 🔍

Entryinfo

Created: 05/06/2017 18:35
Updated: 09/24/2020 10:48
Changes: 05/06/2017 18:35 (59), 09/24/2020 10:48 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.