QEMU net/vmxnet3.c resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in QEMU and classified as problematic. This vulnerability affects unknown code of the file net/vmxnet3.c. Performing a manipulation results in resource management. This vulnerability is known as CVE-2015-8567. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in QEMU (Virtualization Software) (the affected version unknown). This affects an unknown part of the file net/vmxnet3.c. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

Memory leak in net/vmxnet3.c in QEMU allows remote attackers to cause a denial of service (memory consumption).

The bug was discovered 12/15/2015. The weakness was published 04/13/2017 by Qinghao Tang with 360 Marvel Team (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2015-8567 since 12/15/2015. It is possible to initiate the attack remotely. No form of authentication is needed for 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 55 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 88630 (Debian DSA-3471-1 : qemu - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168962 (OpenSuSE Security Update for qemu (openSUSE-SU-2016:1750-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (88630) and SecurityFocus (BID 79721†). Similar entries are available at VDB-80761, VDB-80762, VDB-94715 and VDB-94716. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.7
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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: 88630
Nessus Name: Debian DSA-3471-1 : qemu - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703471
OpenVAS Name: Debian Security Advisory DSA 3471-1 (qemu - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/15/2015 🔍
12/15/2015 +0 days 🔍
12/15/2015 +0 days 🔍
02/08/2016 +55 days 🔍
02/09/2016 +1 days 🔍
04/13/2017 +429 days 🔍
04/13/2017 +0 days 🔍
04/14/2017 +1 days 🔍
11/29/2022 +2055 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: USN-2891-1
Researcher: Qinghao Tang
Organization: 360 Marvel Team
Status: Not defined

CVE: CVE-2015-8567 (🔍)
GCVE (CVE): GCVE-0-2015-8567
GCVE (VulDB): GCVE-100-99795
SecurityFocus: 79721 - QEMU 'net/vmxnet3.c' Multiple Denial of Service Vulnerabilities
OSVDB: - CVE-2015-8567 - QEMU - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 04/14/2017 10:58
Updated: 11/29/2022 09:31
Changes: 04/14/2017 10:58 (69), 08/30/2020 16:29 (10), 11/29/2022 09:31 (4)
Complete: 🔍
Cache ID: 216::103

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