VDB-111483 · CVE-2018-5281 · BID 102443

SonicWALL SonicOS 2017 Q4 on NSA FS Custom Category/Cloud AV DB Exclusion 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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in SonicWALL SonicOS 2017 Q4 on NSA. This impacts an unknown function of the component FS Custom Category/Cloud AV DB Exclusion. Performing a manipulation results in cross site scripting. This vulnerability was named CVE-2018-5281. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in SonicWALL SonicOS 2017 Q4 on NSA (Firewall Software). This affects an unknown functionality of the component FS Custom Category/Cloud AV DB Exclusion. 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:

SonicWall SonicOS on Network Security Appliance (NSA) 2017 Q4 devices has XSS via the CFS Custom Category and Cloud AV DB Exclusion Settings screens.

The bug was discovered 01/08/2018. The weakness was presented 01/08/2018 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2018-5281 since 01/08/2018. It is possible to initiate the attack remotely. The successful exploitation needs a authentication. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 102443†). See VDB-111482 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Firewall Software

Vendor

SonicWALL

Name

SonicOS

Version

2017 Q4

License

commercial

Website

Vendor: https://www.sonicwall.com/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/08/2018 🔍
01/08/2018 +0 days 🔍
01/08/2018 +0 days 🔍
01/08/2018 +0 days 🔍
01/08/2018 +0 days 🔍
01/08/2018 +0 days 🔍
01/29/2021 +1117 days 🔍

Sourcesinfo

Vendor: sonicwall.com

Advisory: securityfocus.com⛔
Researcher: Benjamin K.M.
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-5281 (🔍)
GCVE (CVE): GCVE-0-2018-5281
GCVE (VulDB): GCVE-100-111483
SecurityFocus: 102443 - Dell SonicWall SonicOS NSA CVE-2018-5281 Multiple HTML Injection Vulnerabilities

See also: 🔍

Entryinfo

Created: 01/08/2018 15:24
Updated: 01/29/2021 09:41
Changes: 01/08/2018 15:24 (60), 12/20/2019 13:47 (4), 01/29/2021 09:41 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.