Citrix Xen 3.x Netback input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Citrix Xen 3.x (Connectivity Software). It has been rated as problematic. Affected by this issue is some unknown functionality of the component Netback. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-20. Impacted is availability.

The weakness was shared 02/05/2013 as not defined mailinglist post (Website). The advisory is shared for download at This vulnerability is handled as CVE-2013-0216 since 12/06/2012. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 65252 (Ubuntu 10.04 LTS : linux-lts-backport-oneiric vulnerabilities (USN-1760-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu 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 57743), X-Force (81922), Secunia (SA52056), Vulnerability Center (SBV-39441) and Tenable (65252). The entries 7599, 7602, 7603 and 7605 are related to this item.





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
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Class: Privilege escalation
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 65252
Nessus Name: Ubuntu 10.04 LTS : linux-lts-backport-oneiric vulnerabilities (USN-1760-1)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 881717
OpenVAS Name: CentOS Update for kernel CESA-2013:0747 centos5
OpenVAS File: 🔍
OpenVAS Family: 🔍

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Qualys Name: 🔍

Threat Intelligenceinfoedit

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Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: xsa39
McAfee IPS: 🔍
McAfee IPS Version: 🔍


12/06/2012 🔍
02/05/2013 +60 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 🔍
03/13/2013 +24 days 🔍
05/06/2013 +54 days 🔍
12/06/2016 +1310 days 🔍
05/04/2021 +1610 days 🔍



Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-0216 (🔍)

SecurityFocus: 57743
Secunia: 52056 - Xen netback Two Denial of Service Vulnerabilities, Not Critical
X-Force: 81922
Vulnerability Center: 39441 - Linux Kernel Xen netback Before 3.7.8 Local DoS Vulnerability (CVE-2013-0216), Medium
OSVDB: 89902

See also: 🔍


Created: 02/11/2013 09:31 AM
Updated: 05/04/2021 02:32 PM
Changes: (1) source_nessus_risk
Complete: 🔍
Committer: olku


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