QEMU hw/display/virtio-gpu.c virtio_gpu_set_scanout release of resource

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in QEMU. This impacts the function virtio_gpu_set_scanout of the file hw/display/virtio-gpu.c. The manipulation leads to denial of service. This vulnerability is documented as CVE-2017-9060. The attack needs to be performed locally. There is not any 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 QEMU (Virtualization Software) (version now known). This issue affects the function virtio_gpu_set_scanout of the file hw/display/virtio-gpu.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-772. The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed. Impacted is availability. The summary by CVE is:

Memory leak in the virtio_gpu_set_scanout function in hw/display/virtio-gpu.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (memory consumption) via a large number of "VIRTIO_GPU_CMD_SET_SCANOUT:" commands.

The bug was discovered 05/19/2017. The weakness was released 06/01/2017 by Li Qiang with Qihoo 360 (oss-sec). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2017-9060. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful 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 13 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 100630 (GLSA-201706-03 : QEMU: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276796 (Fedora Security Update for qemu (FEDORA-2017-f941184db1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.qemu.org. A possible mitigation has been published 5 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100630) and SecurityFocus (BID 98632†). Entries connected to this vulnerability are available at VDB-102117 and VDB-102118. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Release of resource
CWE: CWE-772 / 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: 100630
Nessus Name: GLSA-201706-03 : QEMU: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for qemu FEDORA-2017-f941184db1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: dd248ed7e204ee8a1873914e02b8b526e8f1b80d

Timelineinfo

05/18/2017 🔍
05/19/2017 +17071 days 🔍
05/19/2017 +0 days 🔍
06/01/2017 +13 days 🔍
06/01/2017 +0 days 🔍
06/01/2017 +0 days 🔍
06/06/2017 +5 days 🔍
06/06/2017 +0 days 🔍
12/07/2022 +2010 days 🔍

Sourcesinfo

Product: qemu.org

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

CVE: CVE-2017-9060 (🔍)
GCVE (CVE): GCVE-0-2017-9060
GCVE (VulDB): GCVE-100-101891
SecurityFocus: 98632 - QEMU 'display/virtio-gpu.c' Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 06/01/2017 23:41
Updated: 12/07/2022 14:33
Changes: 06/01/2017 23:41 (77), 10/13/2019 09:46 (6), 12/07/2022 14:33 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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