Citrix Xen 3.x Netback input validation

entryeditHistoryDiffjsonxmlCTI
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.
5.9$0-$5k0.00

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 lists.xen.org. 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 lists.xen.org. 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.

Productinfoedit

Type

Vendor

Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

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: 🔍

CVSSv2infoedit

AVACAuCIA
🔍🔍🔍🔍🔍🔍
🔍🔍🔍🔍🔍🔍
🔍🔍🔍🔍🔍🔍
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-20
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 65252
Nessus Name: Ubuntu 10.04 LTS : linux-lts-backport-oneiric vulnerabilities (USN-1760-1)
Nessus File: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

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: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Patch
Status: 🔍

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

Patch: xsa39
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfoedit

12/06/2012 🔍
02/05/2013 +61 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 🔍
04/28/2017 +143 days 🔍

Sourcesinfoedit

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

Advisory: lists.xen.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-0216 (🔍)
OVAL: 🔍

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: 🔍

Entryinfoedit

Created: 02/11/2013 09:31 AM
Updated: 04/28/2017 08:28 PM
Changes: (4) source_oval_id source_secunia_date source_mcafee_ips_id source_mcafee_ips_version
Complete: 🔍
Committer: olku

Comments

No comments yet. Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!