Linux Foundation Xen up to 4.2.2 XRSTOR XSAVE 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 4.2.2. It has been rated as problematic. The impacted element is the function XRSTOR. The manipulation of the argument XSAVE leads to access control. This vulnerability is traded as CVE-2013-2077. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Foundation Xen up to 4.2.2 (Virtualization Software). This issue affects the function XRSTOR. The manipulation of the argument XSAVE with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is availability. The summary by CVE is:

Xen 4.0.x, 4.1.x, and 4.2.x does not properly restrict the contents of a XRSTOR, which allows local PV guest users to cause a denial of service (unhandled exception and hypervisor crash) via unspecified vectors.

The weakness was shared 06/03/2013 with Xen.org Security Team as not defined mailinglist post (oss-sec). It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2013-2077 since 02/19/2013. Attacking locally is a requirement. The successful exploitation requires a simple authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 67269 (Fedora 18 : xen-4.2.2-6.fc18 (2013-10136)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166413 (OpenSuSE Security Update for XEN (openSUSE-SU-2013:1392-1)).

Applying a 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 Tenable (67269), SecurityFocus (BID 60277†), OSVDB (93821†), Secunia (SA53591†) and Vulnerability Center (SBV-39826†). The entries VDB-8938, VDB-8940 and VDB-9273 are related to this item. 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: 5.5
VulDB Meta Temp Score: 5.3

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

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
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: 67269
Nessus Name: Fedora 18 : xen-4.2.2-6.fc18 (2013-10136)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 865902
OpenVAS Name: Fedora Update for xen FEDORA-2013-10136
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

02/19/2013 🔍
06/03/2013 +104 days 🔍
06/03/2013 +0 days 🔍
06/03/2013 +0 days 🔍
06/03/2013 +0 days 🔍
06/04/2013 +1 days 🔍
06/04/2013 +0 days 🔍
06/05/2013 +1 days 🔍
08/28/2013 +84 days 🔍
05/14/2021 +2816 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: seclists.org
Organization: Xen.org Security Team
Status: Not defined

CVE: CVE-2013-2077 (🔍)
GCVE (CVE): GCVE-0-2013-2077
GCVE (VulDB): GCVE-100-8939

OVAL: 🔍

SecurityFocus: 60277 - Xen CVE-2013-2077 Remote Denial of Service Vulnerability
Secunia: 53591 - Xen XSAVE Support Information Disclosure and Denial of Service Vulnerabilities, Not Critical
OSVDB: 93821
Vulnerability Center: 39826 - XenSource Xen Remote Denial of Service Vulnerability due to a No Restriction of Content Passed to XRSTOR, High

See also: 🔍

Entryinfo

Created: 06/05/2013 11:11
Updated: 05/14/2021 09:22
Changes: 06/05/2013 11:11 (76), 05/01/2017 11:32 (4), 05/14/2021 09:22 (3)
Complete: 🔍
Committer:
Cache ID: 216:F74:103

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