QEMU Virtio GPU Device Emulator resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in QEMU. It has been declared as problematic. This affects an unknown function of the component Virtio GPU Device Emulator. The manipulation results in resource consumption. This vulnerability is cataloged as CVE-2016-9912. The attack must be initiated from a local position. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in QEMU (Virtualization Software) (version now known). Affected is some unknown processing of the component Virtio GPU Device Emulator. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. CVE summarizes:

Quick Emulator (Qemu) built with the Virtio GPU Device emulator support is vulnerable to a memory leakage issue. It could occur while destroying gpu resource object in 'virtio_gpu_resource_destroy'. A guest user/process could use this flaw to leak host memory bytes, resulting in DoS for a host.

The bug was discovered 12/23/2016. The weakness was shared 12/23/2016 by Prasad J Pandit (Website). The advisory is available at openwall.com. This vulnerability is traded as CVE-2016-9912 since 12/08/2016. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 96529 (SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2017:0127-1)), 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 169489 (SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2017:0127-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96529) and SecurityFocus (BID 94760†). The entries VDB-94671, VDB-94672, VDB-94673 and VDB-94722 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: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / 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: 96529
Nessus Name: SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2017:0127-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for qemu FEDORA-2017-b953d4d3a4
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

12/08/2016 🔍
12/08/2016 +0 days 🔍
12/23/2016 +15 days 🔍
12/23/2016 +0 days 🔍
12/23/2016 +0 days 🔍
12/24/2016 +1 days 🔍
01/13/2017 +20 days 🔍
01/16/2017 +3 days 🔍
07/15/2019 +910 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: openwall.com
Researcher: Prasad J Pandit
Status: Not defined

CVE: CVE-2016-9912 (🔍)
GCVE (CVE): GCVE-0-2016-9912
GCVE (VulDB): GCVE-100-94674
SecurityFocus: 94760 - QEMU 'hw/display/virtio-gpu.c' Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 12/24/2016 18:28
Updated: 07/15/2019 16:20
Changes: 12/24/2016 18:28 (66), 07/15/2019 16:20 (12)
Complete: 🔍
Cache ID: 216:195:103

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

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