Citrix Xen 3.x Netback resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Citrix Xen 3.x. This affects an unknown part of the component Netback. This manipulation causes resource management. This vulnerability appears as CVE-2013-0217. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

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 resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

Memory leak in drivers/net/xen-netback/netback.c in the Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (memory consumption) by triggering certain error conditions.

The weakness was presented 02/05/2013 as msg00001 as not defined mailinglist post (Website). It is possible to read the advisory at lists.xen.org. 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 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 X-Force (81921), Tenable (66975), SecurityFocus (BID 57744†), OSVDB (89901†) and Secunia (SA52056†). See VDB-7599, VDB-7602, VDB-7604 and VDB-7605 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: xsa39

Timelineinfo

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 🔍
05/04/2021 +2920 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: msg00001
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-0217 (🔍)
GCVE (CVE): GCVE-0-2013-0217
GCVE (VulDB): GCVE-100-7603

OVAL: 🔍

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

See also: 🔍

Entryinfo

Created: 02/11/2013 09:21
Updated: 05/04/2021 14:29
Changes: 02/11/2013 09:21 (79), 04/28/2017 20:28 (4), 05/04/2021 14:29 (3)
Complete: 🔍
Committer: olku
Cache ID: 216::103

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