Linux Foundation Xen 4.4 on ARM GIC Logging Rate Limit resource management

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Foundation Xen 4.4 on ARM. This vulnerability affects unknown code of the component GIC Logging Rate Limit Handler. Executing a manipulation can lead to resource management. This vulnerability is tracked as CVE-2015-1563. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Linux Foundation Xen 4.4 on ARM (Virtualization Software) and classified as problematic. This vulnerability affects an unknown code block of the component GIC Logging Rate Limit Handler. 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. CVE summarizes:

The ARM GIC distributor virtualization in Xen 4.4.x and 4.5.x allows local guests to cause a denial of service by causing a large number messages to be logged.

The weakness was disclosed 01/29/2015 by Julien Grall as XSA-118 as confirmed advisory (Website). The advisory is available at xenbits.xen.org. This vulnerability was named CVE-2015-1563 since 02/08/2015. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 82054 (Fedora 21 : xen-4.4.1-16.fc21 (2015-3944)), 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 123475 (Fedora Security Update for xen (FEDORA-2015-3944)).

Applying the patch xsa118-4.4.patch is able to eliminate this problem. It is possible to mitigate the problem by applying the configuration setting loglvl=error/warning. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (82054), SecurityFocus (BID 72766†) and SecurityTracker (ID 1031663†). The entries VDB-69035 and VDB-74142 are pretty similar. 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: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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: 82054
Nessus Name: Fedora 21 : xen-4.4.1-16.fc21 (2015-3944)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for xen FEDORA-2015-9978
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: xsa118-4.4.patch
Config: loglvl=error/warning

Timelineinfo

01/29/2015 🔍
01/29/2015 +0 days 🔍
01/29/2015 +0 days 🔍
01/30/2015 +1 days 🔍
02/08/2015 +9 days 🔍
02/09/2015 +1 days 🔍
02/25/2015 +16 days 🔍
03/25/2015 +28 days 🔍
03/09/2019 +1445 days 🔍

Sourcesinfo

Vendor: linuxfoundation.org

Advisory: XSA-118
Researcher: Julien Grall
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-1563 (🔍)
GCVE (CVE): GCVE-0-2015-1563
GCVE (VulDB): GCVE-100-68962
SecurityFocus: 72766 - Xen 'arch/arm/vgic.c' Local Denial of Service Vulnerability
SecurityTracker: 1031663

See also: 🔍

Entryinfo

Created: 01/30/2015 09:54
Updated: 03/09/2019 08:29
Changes: 01/30/2015 09:54 (62), 03/09/2019 08:29 (16)
Complete: 🔍
Cache ID: 216::103

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

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