Citrix Netscaler Gateway up to 10.5.x/11.1.x/12.0.x/12.1.x 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.
3.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Citrix Netscaler Gateway up to 10.5.x/11.1.x/12.0.x/12.1.x. Affected is an unknown function. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2018-18517. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Citrix Netscaler Gateway up to 10.5.x/11.1.x/12.0.x/12.1.x (Network Management Software). This vulnerability affects an unknown functionality. The manipulation 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:

Citrix NetScaler Gateway 10.5.x before 10.5.69.003, 11.1.x before 11.1.59.004, 12.0.x before 12.0.58.7, and 12.1.x before 12.1.49.1 has XSS.

The bug was discovered 10/25/2018. The weakness was presented 10/24/2018 (Website). The advisory is available at support.citrix.com. This vulnerability was named CVE-2018-18517 since 10/19/2018. The attack can be initiated remotely. The successful exploitation needs a single authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 118463 (Citrix NetScaler Gateway Cross-Site Scripting Vulnerability (CTX232199)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context c.

Upgrading to version 10.5.69.003, 11.1.59.004, 12.0.58.7 or 12.1.49.1 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 (118463), SecurityFocus (BID 105725†) and SecurityTracker (ID 1042023†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.5

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 118463
Nessus Name: Citrix NetScaler Gateway Cross-Site Scripting Vulnerability (CTX232199)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Netscaler Gateway 10.5.69.003/11.1.59.004/12.0.58.7/12.1.49.1

Timelineinfo

10/19/2018 🔍
10/23/2018 +4 days 🔍
10/23/2018 +0 days 🔍
10/24/2018 +0 days 🔍
10/24/2018 +0 days 🔍
10/25/2018 +1 days 🔍
10/25/2018 +0 days 🔍
10/26/2018 +1 days 🔍
11/02/2018 +7 days 🔍
04/10/2020 +525 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: support.citrix.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-18517 (🔍)
GCVE (CVE): GCVE-0-2018-18517
GCVE (VulDB): GCVE-100-125938
SecurityFocus: 105725 - Citrix NetScaler Gateway CVE-2018-18517 Cross-Site Scripting Vulnerability
SecurityTracker: 1042023

Entryinfo

Created: 10/25/2018 07:06
Updated: 04/10/2020 10:14
Changes: 10/25/2018 07:06 (70), 04/10/2020 10:14 (5)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!