Linux Foundation Xen up to 4.3.0 QEMU Disk Backend hw/xen_disk.c resource management

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 4.2.0/4.2.1/4.2.2/4.2.3/4.3.0. It has been declared as problematic. This issue affects some unknown processing of the file hw/xen_disk.c of the component QEMU Disk Backend. The manipulation results in resource management. This vulnerability is cataloged as CVE-2013-4375. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Foundation Xen 4.2.0/4.2.1/4.2.2/4.2.3/4.3.0 (Virtualization Software). Affected is some unknown processing of the file hw/xen_disk.c of the component QEMU Disk Backend. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

The qdisk PV disk backend in qemu-xen in Xen 4.2.x and 4.3.x before 4.3.1, and qemu 1.1 and other versions, allows local HVM guests to cause a denial of service (domain grant reference consumption) via unspecified vectors.

The weakness was shared 10/10/2013 by Matthew Daley and Coverty Scan with Coverity Scan as qemu disk backend (qdisk) resource leak as not defined mailinglist post (oss-sec). The advisory is available at seclists.org. This vulnerability is traded as CVE-2013-4375 since 06/12/2013. Local access is required to approach this attack. Required for exploitation is a authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 70549 (Fedora 19 : xen-4.2.3-4.fc19 (2013-19048)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195782 (Ubuntu Security Notification for Qemu, Qemu-kvm Vulnerabilities (USN-2092-1)).

Applying the patch xsa71-qemu-xen-4_2 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 (87795), Tenable (70549), SecurityFocus (BID 62934†), OSVDB (98332†) and Secunia (SA55229†). The entries VDB-10502, VDB-10576, VDB-10665 and VDB-10666 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

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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: 🔍
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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: 70549
Nessus Name: Fedora 19 : xen-4.2.3-4.fc19 (2013-19048)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867005
OpenVAS Name: Fedora Update for xen FEDORA-2013-19048
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: xsa71-qemu-xen-4_2

Timelineinfo

06/12/2013 🔍
10/10/2013 +120 days 🔍
10/10/2013 +0 days 🔍
10/10/2013 +0 days 🔍
10/10/2013 +0 days 🔍
10/15/2013 +5 days 🔍
10/23/2013 +8 days 🔍
01/19/2014 +88 days 🔍
03/17/2016 +788 days 🔍
02/01/2019 +1051 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: qemu disk backend (qdisk) resource leak
Researcher: Matthew Daley, Coverty Scan
Organization: Coverity Scan
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-4375 (🔍)
GCVE (CVE): GCVE-0-2013-4375
GCVE (VulDB): GCVE-100-10674

OVAL: 🔍

X-Force: 87795
SecurityFocus: 62934 - Xen QEMU CVE-2013-4375 Denial of Service Vulnerability
Secunia: 55229 - Xen Mapped Grant References Denial of Service Vulnerability, Not Critical
OSVDB: 98332
Vulnerability Center: 57359 - Xen 4.2.* and 4.3.x Before 4.3.1 and Qemu 1.1 LocalDoS Vulnerability (CVE-2013-4375), Low

See also: 🔍

Entryinfo

Created: 10/15/2013 11:10
Updated: 02/01/2019 14:36
Changes: 10/15/2013 11:10 (82), 02/01/2019 14:36 (5)
Complete: 🔍
Committer: olku
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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