VDB-10581 · OSVDB 98093 · GCVE-100-10581

Citrix Netscaler up to 10.0 Build 76.6 Nsconfigd Daemon denial of service

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
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.
6.7$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Citrix Netscaler up to 10.0 Build 76.6. Affected is an unknown function of the component Nsconfigd Daemon. Performing a manipulation results in denial of service. The attack can be initiated remotely. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Citrix Netscaler up to 10.0 Build 76.6 (Network Management Software). It has been classified as critical. This affects an unknown code of the component Nsconfigd Daemon. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The bug was discovered 12/10/2012. The weakness was released 10/03/2013 by Stefan Viehböck with SEC Consult Vulnerability Lab as confirmed mailinglist post (Bugtraq). The advisory is shared at seclists.org. The public release was coordinated with Citrix. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a private exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 296 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 10.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (98093†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Netscaler 10.1

Timelineinfo

12/10/2012 🔍
10/02/2013 +296 days 🔍
10/03/2013 +1 days 🔍
10/04/2013 +1 days 🔍
08/09/2017 +1405 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: seclists.org
Researcher: Stefan Viehböck
Organization: SEC Consult Vulnerability Lab
Status: Confirmed
Coordinated: 🔍

GCVE (VulDB): GCVE-100-10581
OSVDB: 98093

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/04/2013 18:50
Updated: 08/09/2017 14:08
Changes: 10/04/2013 18:50 (51), 08/09/2017 14:08 (2)
Complete: 🔍
Committer:
Cache ID: 216:8AB:103

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