QEMU Vmware VMXNET3 NIC Support eth_buf out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in QEMU. The impacted element is an unknown function of the component Vmware VMXNET3 NIC Support. The manipulation of the argument eth_buf as part of VLAN Header leads to out-of-bounds. This vulnerability is referenced as CVE-2017-6058. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in QEMU (Virtualization Software) (the affected version is unknown) and classified as problematic. This issue affects an unknown code of the component Vmware VMXNET3 NIC Support. The manipulation of the argument eth_buf as part of a VLAN Header leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability.

The bug was discovered 02/17/2017. The weakness was published 02/17/2017 by Prasad J Pandit (Website). It is possible to read the advisory at lists.nongnu.org. The identification of this vulnerability is CVE-2017-6058 since 02/17/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The advisory points out:

It requires 'VLANSTRIP' feature to be enabled on the vmxnet3 device.

The vulnerability scanner Nessus provides a plugin with the ID 97804 (Fedora 25 : 2:qemu (2017-31b976672b)), 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 276536 (Fedora Security Update for qemu (FEDORA-2017-31b976672b)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at lists.nongnu.org. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97804), SecurityFocus (BID 96277†) and SecurityTracker (ID 1037856†). Similar entries are available at VDB-98170 and VDB-98316. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.5
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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 97804
Nessus Name: Fedora 25 : 2:qemu (2017-31b976672b)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for qemu FEDORA-2017-31b976672b
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: lists.nongnu.org

Timelineinfo

02/17/2017 🔍
02/17/2017 +0 days 🔍
02/17/2017 +0 days 🔍
02/17/2017 +0 days 🔍
02/17/2017 +0 days 🔍
02/18/2017 +1 days 🔍
03/18/2017 +28 days 🔍
03/20/2017 +2 days 🔍
03/20/2017 +0 days 🔍
09/02/2020 +1262 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: lists.nongnu.org
Researcher: Prasad J Pandit
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6058 (🔍)
GCVE (CVE): GCVE-0-2017-6058
GCVE (VulDB): GCVE-100-97115
SecurityFocus: 96277 - QEMU CVE-2017-6058 Denial of Service Vulnerability
OSVDB: - CVE-2017-6058 - QEMU - Buffer Overflow Issue
SecurityTracker: 1037856

See also: 🔍

Entryinfo

Created: 02/18/2017 21:18
Updated: 09/02/2020 11:29
Changes: 02/18/2017 21:18 (79), 09/02/2020 11:29 (8)
Complete: 🔍
Cache ID: 216:F7B:103

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