virglrenderer up to 0.5.x virgl_resource_attach_backing resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in virglrenderer up to 0.5.x. Affected is the function virgl_resource_attach_backing. Performing a manipulation results in resource management. This vulnerability is known as CVE-2016-10214. Attacking locally is a requirement. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in virglrenderer up to 0.5.x. It has been classified as problematic. This affects the function virgl_resource_attach_backing. 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. The summary by CVE is:

Memory leak in the virgl_resource_attach_backing function in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (memory consumption) via a large number of VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING commands.

The bug was discovered 02/08/2017. The weakness was published 03/20/2017 by Li Qiang with 360.cn Inc. (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2016-10214 since 02/08/2017. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 40 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 97913 (SUSE SLED12 / SLES12 Security Update : virglrenderer (SUSE-SU-2017:0798-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169822 (SUSE Enterprise Linux Security Update for virglrenderer (SUSE-SU-2017:0798-1)).

Upgrading to version 0.6.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cgit.freedesktop.org. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published 2 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97913) and SecurityFocus (BID 96181†). Similar entries are available at VDB-97793, VDB-97950, VDB-98124 and VDB-98149. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base 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: 97913
Nessus Name: SUSE SLED12 / SLES12 Security Update : virglrenderer (SUSE-SU-2017:0798-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Upgrade: virglrenderer 0.6.0
Patch: cgit.freedesktop.org

Timelineinfo

02/08/2017 🔍
02/08/2017 +0 days 🔍
02/08/2017 +0 days 🔍
03/20/2017 +40 days 🔍
03/20/2017 +0 days 🔍
03/21/2017 +1 days 🔍
03/22/2017 +1 days 🔍
03/23/2017 +1 days 🔍
09/10/2020 +1267 days 🔍

Sourcesinfo

Advisory: openwall.com
Researcher: Li Qiang
Organization: 360.cn Inc.
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-10214 (🔍)
GCVE (CVE): GCVE-0-2016-10214
GCVE (VulDB): GCVE-100-98295
SecurityFocus: 96181 - QEMU CVE-2016-10214 Denial of Service Vulnerability
OSVDB: - CVE-2016-10214 - virglrenderer - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 03/21/2017 07:47
Updated: 09/10/2020 10:48
Changes: 03/21/2017 07:47 (77), 09/10/2020 10:48 (3)
Complete: 🔍
Cache ID: 216::103

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