Citrix NetScaler 9.3/10.0/10.1 Application Delivery Controller LDAP injection code injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.8 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in Citrix NetScaler 9.3/10.0/10.1. The impacted element is an unknown function of the component Application Delivery Controller. Executing a manipulation can lead to code injection (LDAP injection). The identification of this vulnerability is CVE-2013-6943. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.
Details
A vulnerability has been found in Citrix NetScaler 9.3/10.0/10.1 (Network Management Software) and classified as problematic. This vulnerability affects an unknown code block of the component Application Delivery Controller. The manipulation with an unknown input leads to a code injection vulnerability (LDAP injection). The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect integrity. CVE summarizes:
Citrix NetScaler Application Delivery Controller (ADC) 9.3.x before 9.3-64.4, 10.0 before 10.0-77.5, and 10.1 before 10.1-118.7 allows remote attackers to conduct an LDAP injection attack via vectors related to SSH and Web management usernames.
The weakness was shared 03/05/2014 as CTX139049 as confirmed advisory (Website). The advisory is available at support.citrix.com. This vulnerability was named CVE-2013-6943 since 12/04/2013. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 by the MITRE ATT&CK project.
The vulnerability scanner Nessus provides a plugin with the ID 73205 (Citrix NetScaler Application Delivery Controller Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc.. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115182 (Citrix NetScaler Application Delivery Controller Multiple Vulnerabilities).
Upgrading to version 9.3-64.4, 10.0-77.5 or 101-118.7 eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (91619), Tenable (73205), SecurityFocus (BID 66043†), Secunia (SA57279†) and Vulnerability Center (SBV-50396†). The entries VDB-12511, VDB-12512, VDB-12513 and VDB-12515 are related to this item. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.citrix.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 3.8
VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: LDAP injectionClass: Code injection / LDAP injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 73205
Nessus Name: Citrix NetScaler Application Delivery Controller Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: NetScaler 9.3-64.4/10.0-77.5/101-118.7
Timeline
12/04/2013 🔍03/05/2014 🔍
03/05/2014 🔍
03/05/2014 🔍
03/06/2014 🔍
03/10/2014 🔍
03/11/2014 🔍
06/07/2015 🔍
06/15/2021 🔍
Sources
Vendor: citrix.comAdvisory: CTX139049
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2013-6943 (🔍)
GCVE (CVE): GCVE-0-2013-6943
GCVE (VulDB): GCVE-100-12514
X-Force: 91619 - Citrix NetScaler Application Delivery Controller LDAP injection, Medium Risk
SecurityFocus: 66043 - Citrix NetScaler Application Delivery Controller CVE-2013-6943 LDAP Injection Vulnerability
Secunia: 57279 - Citrix NetScaler / NetScaler VPX Multiple Vulnerabilities, Less Critical
Vulnerability Center: 50396 - Citrix NetScaler ADC 9.3, 10.0, 10.1 Remote LDAP Injection Attack via SSH and Web Management Usernames, Medium
See also: 🔍
Entry
Created: 03/10/2014 11:51Updated: 06/15/2021 10:16
Changes: 03/10/2014 11:51 (76), 07/07/2017 17:06 (1), 06/15/2021 10:16 (3)
Complete: 🔍
Committer: olku
Cache ID: 216:CC4:103
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