Citrix Netscaler Gateway up to 11.0 Cookie gateway_login_form_view.js NSC_TMAC cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Citrix Netscaler Gateway up to 11.0. This affects an unknown function of the file vpn/js/gateway_login_form_view.js of the component Cookie Handler. Performing a manipulation of the argument NSC_TMAC results in cross site scripting. This vulnerability is identified as CVE-2016-4945. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Citrix Netscaler Gateway up to 11.0 (Network Management Software). It has been classified as problematic. This affects an unknown functionality of the file vpn/js/gateway_login_form_view.js of the component Cookie Handler. The manipulation of the argument NSC_TMAC 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 confidentiality, and integrity. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in vpn/js/gateway_login_form_view.js in Citrix NetScaler Gateway 11.0 before Build 66.11 allows remote attackers to inject arbitrary web script or HTML via the NSC_TMAC cookie.

The weakness was released 06/01/2016 as confirmed posting (Bugtraq). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2016-4945. The exploitability is told to be easy. 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. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 370115 (Citrix NetScaler Gateway Login Form Hijacking Vulnerability).

Upgrading to version 11.0 Build 66.11 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1036020†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.1
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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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OpenVAS ID: 801809
OpenVAS Name: Login Form Hijacking Vulnerability in Citrix NetScaler Gateway (CTX213313)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Netscaler Gateway 11.0 Build 66.11

Timelineinfo

05/20/2016 🔍
06/01/2016 +12 days 🔍
06/01/2016 +0 days 🔍
06/02/2016 +1 days 🔍
06/02/2016 +0 days 🔍
09/29/2024 +3041 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: 137221⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4945 (🔍)
GCVE (CVE): GCVE-0-2016-4945
GCVE (VulDB): GCVE-100-87711
SecurityTracker: 1036020

Entryinfo

Created: 06/02/2016 13:24
Updated: 09/29/2024 03:50
Changes: 06/02/2016 13:24 (62), 01/19/2019 13:12 (7), 08/22/2022 17:42 (4), 09/29/2024 03:50 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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