VDB-125889 · CVE-2018-17445 · BID 105711

Citrix SD-WAN/Netscaler SD-WAN command injection

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.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Citrix SD-WAN and Netscaler SD-WAN. Impacted is an unknown function. Performing a manipulation results in command injection. This vulnerability is cataloged as CVE-2018-17445. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Citrix SD-WAN and Netscaler SD-WAN (Network Management Software). It has been classified as critical. This affects an unknown functionality. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A Command Injection issue was discovered in Citrix SD-WAN 10.1.0 and NetScaler SD-WAN 9.3.x before 9.3.6 and 10.0.x before 10.0.4.

The bug was discovered 10/23/2018. The weakness was shared 10/23/2018 (Website). The advisory is shared at support.citrix.com. This vulnerability is uniquely identified as CVE-2018-17445 since 09/25/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 105711†). The entries VDB-61897, VDB-125888, VDB-125890 and VDB-125891 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

Citrix SD-WAN up to 9.3.5/10.0.3
Citrix Netscaler SD-WAN 10.1.0

Productinfo

Type

Network Management Software

Vendor

Citrix

Name

License

commercial

Website

Vendor: https://www.citrix.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/25/2018 🔍
10/22/2018 +27 days 🔍
10/23/2018 +0 days 🔍
10/23/2018 +0 days 🔍
10/23/2018 +0 days 🔍
10/24/2018 +1 days 🔍
04/06/2020 +530 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: support.citrix.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-17445 (🔍)
GCVE (CVE): GCVE-0-2018-17445
GCVE (VulDB): GCVE-100-125889
SecurityFocus: 105711 - Citrix SD-WAN Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 10/24/2018 08:16
Updated: 04/06/2020 09:44
Changes: 10/24/2018 08:16 (59), 04/06/2020 09:44 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.