VDB-117968 · CVE-2018-7218 · Qualys 370957

Citrix Netscaler Application Delivery Controller AppFirewall privileges management

CVSS Meta Temp Score
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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
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8.4$0-$5k0.00

A vulnerability was found in Citrix Netscaler Application Delivery Controller and Netscaler Gateway (Network Management Software) (the affected version is unknown) and classified as critical. Affected by this issue is an unknown code of the component AppFirewall. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The AppFirewall functionality in Citrix NetScaler Application Delivery Controller and NetScaler Gateway 10.5 before Build 68.7, 11.0 before Build 71.24, 11.1 before Build 58.13, and 12.0 before Build 57.24 allows remote attackers to execute arbitrary code via unspecified vectors.

The bug was discovered 05/14/2018. The weakness was presented 05/17/2018 (Website). The advisory is shared for download at securitytracker.com. This vulnerability is handled as CVE-2018-7218 since 02/18/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370957 (Citrix NetScaler Gateway Remote Code Execution Vulnerability).

Upgrading eliminates this vulnerability.

See VDB-74633 for similar entry.

Productinfo

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Vendor

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/18/2018 🔍
05/14/2018 +85 days 🔍
05/17/2018 +2 days 🔍
05/17/2018 +0 days 🔍
05/18/2018 +1 days 🔍
03/14/2023 +1761 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: securitytracker.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7218 (🔍)
SecurityTracker: 1040921

See also: 🔍

Entryinfo

Created: 05/18/2018 08:50 AM
Updated: 03/14/2023 09:41 AM
Changes: 05/18/2018 08:50 AM (60), 02/07/2020 10:21 AM (1), 03/14/2023 09:41 AM (4)
Complete: 🔍
Cache ID: 35:21E:40

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