QEMU MegaRAID SAS 8708EM2 Host Bus Adapter Emulation hw/scsi/megasas.c megasas_dcmd_set_properties out-of-bounds write

CVSS Meta Temp Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in QEMU. The affected element is the function megasas_dcmd_set_properties of the file hw/scsi/megasas.c of the component MegaRAID SAS 8708EM2 Host Bus Adapter Emulation. Executing a manipulation can lead to out-of-bounds write. This vulnerability is tracked as CVE-2016-5106. The attack is restricted to local execution. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in QEMU (Virtualization Software) (version unknown). It has been declared as problematic. This vulnerability affects the function megasas_dcmd_set_properties of the file hw/scsi/megasas.c of the component MegaRAID SAS 8708EM2 Host Bus Adapter Emulation. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

The megasas_dcmd_set_properties function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, allows local guest administrators to cause a denial of service (out-of-bounds write access) via vectors involving a MegaRAID Firmware Interface (MFI) command.

The weakness was disclosed 09/02/2016 (Website). The advisory is available at openwall.com. This vulnerability was named CVE-2016-5106 since 05/26/2016. Local access is required to approach this attack. The successful exploitation requires a single authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 92168 (Fedora 24 : xen (2016-cfea37952b)), 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 176848 (Debian Security Update for qemu (DLA 1599-1)).

Upgrading eliminates this vulnerability. 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 (92168) and SecurityFocus (BID 93275†). The entries VDB-81088, VDB-81198, VDB-81711 and VDB-82912 are pretty similar. 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: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: 92168
Nessus Name: Fedora 24 : xen (2016-cfea37952b)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 863050
OpenVAS Name: Fedora Update for qemu FEDORA-2016-73853a7a16
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/26/2016 🔍
05/30/2016 +4 days 🔍
07/14/2016 +45 days 🔍
09/02/2016 +50 days 🔍
09/02/2016 +0 days 🔍
09/03/2016 +1 days 🔍
09/14/2022 +2202 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: FEDORA-2016-cfea37952b
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-5106 (🔍)
GCVE (CVE): GCVE-0-2016-5106
GCVE (VulDB): GCVE-100-91042
SecurityFocus: 93275

See also: 🔍

Entryinfo

Created: 09/03/2016 10:14
Updated: 09/14/2022 15:29
Changes: 09/03/2016 10:14 (62), 04/07/2019 16:14 (12), 09/14/2022 15:23 (4), 09/14/2022 15:29 (1)
Complete: 🔍
Cache ID: 216:49F:103

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

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