QEMU Virtio GPU Device Emulator virtio-gpu-3d.c virgl_cmd_get_capset out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in QEMU. It has been declared as problematic. This vulnerability affects the function virgl_cmd_get_capset of the file hw/display/virtio-gpu-3d.c of the component Virtio GPU Device Emulator. The manipulation results in out-of-bounds. This vulnerability is known as CVE-2016-10028. Attacking locally is a requirement. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in QEMU (Virtualization Software) (version now known). Affected is the function virgl_cmd_get_capset of the file hw/display/virtio-gpu-3d.c of the component Virtio GPU Device Emulator. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. CVE summarizes:

The virgl_cmd_get_capset function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) built with Virtio GPU Device emulator support allows local guest OS users to cause a denial of service (out-of-bounds read and process crash) via a VIRTIO_GPU_CMD_GET_CAPSET command with a maximum capabilities size with a value of 0.

The bug was discovered 12/23/2016. The weakness was published 02/27/2017 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2016-10028 since 12/22/2016. The attack needs to be approached locally. Required for exploitation is a authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 33 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 96782 (Fedora 24 : 2:qemu (2017-12394e2cc7)), 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 169798 (SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2017:0625-1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.qemu-project.org. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96782), SecurityFocus (BID 94981†) and SecurityTracker (ID 1037525†). Similar entry is available at VDB-97321. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Out-of-bounds
CWE: CWE-125 / CWE-119
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: 96782
Nessus Name: Fedora 24 : 2:qemu (2017-12394e2cc7)
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.qemu-project.org

Timelineinfo

12/20/2016 🔍
12/22/2016 +2 days 🔍
12/23/2016 +1 days 🔍
01/25/2017 +33 days 🔍
01/26/2017 +1 days 🔍
02/27/2017 +32 days 🔍
02/27/2017 +0 days 🔍
02/28/2017 +1 days 🔍
11/12/2024 +2814 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: openwall.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-10028 (🔍)
GCVE (CVE): GCVE-0-2016-10028
GCVE (VulDB): GCVE-100-97320
SecurityFocus: 94981 - QEMU 'virtio-gpu-3d.c' Denial of Service Vulnerability
OSVDB: - CVE-2016-10028 - QEMU - Out-of-Bounds Read Issue
SecurityTracker: 1037525

See also: 🔍

Entryinfo

Created: 02/28/2017 07:57
Updated: 11/12/2024 15:45
Changes: 02/28/2017 07:57 (76), 09/02/2020 16:11 (5), 11/12/2024 15:45 (20)
Complete: 🔍
Cache ID: 216::103

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