QEMU GPU Device Emulator VIRTIO_GPU_CMD_GET_CAPSET_INFO Memory information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in QEMU. This affects the function VIRTIO_GPU_CMD_GET_CAPSET_INFO of the component GPU Device Emulator. This manipulation causes information disclosure (Memory). This vulnerability appears as CVE-2016-9845. The attack requires local access. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in QEMU (Virtualization Software) (version now known). It has been declared as problematic. Affected by this vulnerability is the function VIRTIO_GPU_CMD_GET_CAPSET_INFO of the component GPU Device Emulator. The manipulation with an unknown input leads to a information disclosure vulnerability (Memory). The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

QEMU (aka Quick Emulator) built with the Virtio GPU Device emulator support is vulnerable to an information leakage issue. It could occur while processing 'VIRTIO_GPU_CMD_GET_CAPSET_INFO' command. A guest user/process could use this flaw to leak contents of the host memory bytes.

The bug was discovered 12/29/2016. The weakness was presented 12/29/2016 by Prasad J Pandit (Website). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2016-9845 since 12/05/2016. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

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 276405 (Fedora Security Update for qemu (FEDORA-2017-b953d4d3a4)).

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 94763†). See VDB-94671, VDB-94672, VDB-94674 and VDB-94675 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.8
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Information disclosure / Memory
CWE: CWE-200 / CWE-284 / CWE-266
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

12/05/2016 🔍
12/08/2016 +3 days 🔍
12/29/2016 +21 days 🔍
12/29/2016 +0 days 🔍
12/29/2016 +0 days 🔍
12/30/2016 +1 days 🔍
01/13/2017 +14 days 🔍
01/16/2017 +3 days 🔍
07/22/2019 +917 days 🔍

Sourcesinfo

Product: qemu.org

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

CVE: CVE-2016-9845 (🔍)
GCVE (CVE): GCVE-0-2016-9845
GCVE (VulDB): GCVE-100-94723
SecurityFocus: 94763 - QEMU '/hw/display/virtio-gpu-3d.c' Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 12/30/2016 10:29
Updated: 07/22/2019 07:06
Changes: 12/30/2016 10:29 (70), 07/22/2019 07:06 (11)
Complete: 🔍
Cache ID: 216::103

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

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