Citrix Xen 3.x Netback resource management

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.

A vulnerability was found in Citrix Xen 3.x (Connectivity Software). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Netback. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability.

The weakness was presented 02/05/2013 as msg00001 as not defined mailinglist post (Website). It is possible to read the advisory at This vulnerability is known as CVE-2013-0217 since 12/06/2012. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 66975 (Mandriva Linux Security Advisory : kernel (MDVSA-2013:176)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370047 (Citrix XenServer Security Update (CTX136540)).

Applying the patch xsa39 is able to eliminate this problem. The bugfix is ready for download at A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 57744), X-Force (81921), Secunia (SA52056), Vulnerability Center (SBV-39442) and Tenable (66975). See 7599, 7602, 7604 and 7605 for similar entries.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Denial of service
CWE: CWE-399
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 66975
Nessus Name: Mandriva Linux Security Advisory : kernel (MDVSA-2013:176)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 881717
OpenVAS Name: CentOS Update for kernel CESA-2013:0747 centos5
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: xsa39


12/06/2012 🔍
02/05/2013 +61 days 🔍
02/05/2013 +0 days 🔍
02/05/2013 +0 days 🔍
02/05/2013 +0 days 🔍
02/06/2013 +1 days 🔍
02/11/2013 +5 days 🔍
02/17/2013 +6 days 🔍
05/06/2013 +78 days 🔍
09/15/2016 +1228 days 🔍
05/04/2021 +1692 days 🔍



Advisory: msg00001
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-0217 (🔍)

SecurityFocus: 57744 - Xen Linux netback CVE-2013-0217 Local Denial of Service Vulnerability
Secunia: 52056 - Xen netback Two Denial of Service Vulnerabilities, Not Critical
X-Force: 81921
Vulnerability Center: 39442 - Linux Kernel Xen netback Before 3.7.8 Local DoS Vulnerability (CVE-2013-0217), Medium
OSVDB: 89901

See also: 🔍


Created: 02/11/2013 09:21 AM
Updated: 05/04/2021 02:29 PM
Changes: (3) source_nessus_risk exploit_price_0day vulnerability_cvss2_nvd_basescore
Complete: 🔍
Committer: olku


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