Sophos Web Appliance up to 4.3.1 FTP Redirect Page cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Sophos Web Appliance up to 4.3.1. This affects an unknown part of the component FTP Redirect Page. Performing a manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2017-9523. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Sophos Web Appliance up to 4.3.1. This affects an unknown functionality of the component FTP Redirect Page. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

The Sophos Web Appliance before 4.3.2 has XSS in the FTP redirect page, aka NSWA-1342.

The bug was discovered 06/08/2017. The weakness was shared 06/09/2017 with Tenable Network Security (Website). It is possible to read the advisory at swa.sophos.com. This vulnerability is uniquely identified as CVE-2017-9523 since 06/08/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 100872 (Sophos Web Appliance < 4.3.2 FTP Redirect Page Reflected XSS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses : XSS and running in the context r.

Upgrading to version 4.3.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100872) and SecurityFocus (BID 99016†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Website

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

AVACAuCIA
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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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100872
Nessus Name: Sophos Web Appliance < 4.3.2 FTP Redirect Page Reflected XSS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Appliance 4.3.2

Timelineinfo

05/30/2017 🔍
06/08/2017 +9 days 🔍
06/08/2017 +0 days 🔍
06/08/2017 +0 days 🔍
06/08/2017 +0 days 🔍
06/09/2017 +1 days 🔍
06/09/2017 +0 days 🔍
06/19/2017 +10 days 🔍
12/26/2020 +1286 days 🔍

Sourcesinfo

Vendor: sophos.com

Advisory: swa.sophos.com
Researcher: Tenable Network Security
Organization: Tenable Network Security
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9523 (🔍)
GCVE (CVE): GCVE-0-2017-9523
GCVE (VulDB): GCVE-100-102159
SecurityFocus: 99016 - Sophos Web Appliance CVE-2017-9523 Cross Site Scripting Vulnerability

Entryinfo

Created: 06/09/2017 11:41
Updated: 12/26/2020 17:42
Changes: 06/09/2017 11:41 (66), 10/15/2019 16:15 (6), 12/26/2020 17:42 (2)
Complete: 🔍
Cache ID: 216::103

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