Linux Foundation Xen up to 4.1.5 Grant Table Hypercall access control

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Foundation Xen up to 4.1.5 and classified as problematic. This issue affects some unknown processing of the component Grant Table Hypercall. Such manipulation leads to access control. This vulnerability is traded as CVE-2013-1964. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Linux Foundation Xen up to 4.1.5 (Virtualization Software) and classified as problematic. Affected by this issue is an unknown code of the component Grant Table Hypercall. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is availability. CVE summarizes:

Xen 4.0.x and 4.1.x incorrectly releases a grant reference when releasing a non-v1, non-transitive grant, which allows local guest administrators to cause a denial of service (host crash), obtain sensitive information, or possible have other impacts via unspecified vectors.

The weakness was shared 04/18/2013 as not defined mailinglist post (oss-sec). The advisory is available at openwall.com. This vulnerability is handled as CVE-2013-1964 since 02/19/2013. The exploitation is known to be easy. Local access is required to approach this attack. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 66383 (Debian DSA-2666-1 : xen - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370044 (Citrix XenServer Security Update (CTX137657)).

Applying the patch xsa50-4.1.patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (83644), Tenable (66383), SecurityFocus (BID 59293†), OSVDB (92565†) and Secunia (SA53134†). The entries VDB-8472, VDB-8599 and VDB-8600 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 66383
Nessus Name: Debian DSA-2666-1 : xen - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892666
OpenVAS Name: Debian Security Advisory DSA 2666-1 (xen - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: xsa50-4.1.patch

Timelineinfo

02/19/2013 🔍
04/18/2013 +58 days 🔍
04/18/2013 +0 days 🔍
04/18/2013 +0 days 🔍
04/18/2013 +0 days 🔍
04/22/2013 +4 days 🔍
04/23/2013 +1 days 🔍
05/21/2013 +28 days 🔍
05/22/2013 +1 days 🔍
05/10/2021 +2910 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: openwall.com
Status: Not defined

CVE: CVE-2013-1964 (🔍)
GCVE (CVE): GCVE-0-2013-1964
GCVE (VulDB): GCVE-100-8474

OVAL: 🔍
IAVM: 🔍

X-Force: 83644
SecurityFocus: 59293 - Xen CVE-2013-1964 Local Denial of Service Vulnerability
Secunia: 53134 - Xen Grant Table Hypercall Handling Vulnerability, Less Critical
OSVDB: 92565
SecurityTracker: 1028459
Vulnerability Center: 39678 - Xen 4.0.x and 4.1.x Unspecified Local DoS Vulnerability, Low

See also: 🔍

Entryinfo

Created: 04/23/2013 11:06
Updated: 05/10/2021 08:23
Changes: 04/23/2013 11:06 (80), 04/30/2017 10:43 (4), 05/10/2021 08:22 (3), 05/10/2021 08:23 (1)
Complete: 🔍
Committer: olku
Cache ID: 216:9EE:103

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