QEMU Virtual Network Device hw/virtio/virtio.c memory corruption

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in QEMU (Virtualization Software) (affected version not known). It has been rated as problematic. Affected by this issue is an unknown function of the file hw/virtio/virtio.c of the component Virtual Network Device. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is availability.

The weakness was published 11/09/2015 by Prasad J Pandit (Website). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2015-7295 since 09/18/2015. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/12/2018).

The vulnerability scanner Nessus provides a plugin with the ID 87692 (FreeBSD : qemu -- denial of service vulnerability in virtio-net support (42cbd1e8-b152-11e5-9728-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168989 (SUSE Enterprise Linux Security Update for kvm (SUSE-SU-2016:1785-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 82672), Vulnerability Center (SBV-54404) and Tenable (87692). Similar entry is available at 77704.

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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

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

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Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87692
Nessus Name: FreeBSD : qemu -- denial of service vulnerability in virtio-net support (42cbd1e8-b152-11e5-9728-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 850584
OpenVAS Name: SuSE Update for qemu SUSE-SU-2016:1560-1 (qemu)
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

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Timelineinfoedit

09/18/2015 🔍
10/28/2015 +40 days 🔍
11/09/2015 +12 days 🔍
11/09/2015 +0 days 🔍
11/09/2015 +0 days 🔍
11/10/2015 +1 days 🔍
11/15/2015 +5 days 🔍
01/02/2016 +48 days 🔍
01/04/2016 +2 days 🔍
11/14/2017 +680 days 🔍
04/12/2018 +149 days 🔍

Sourcesinfoedit

Product: https://www.qemu.org/

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

CVE: CVE-2015-7295 (🔍)
SecurityFocus: 82672 - QEMU 'hw/virtio/virtio.c' Denial of Service Vulnerability
Vulnerability Center: 54404 - QEMU Remote DoS via Receiving Large Packets Over the tuntap/macvtap Interfaces, Medium

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Entryinfoedit

Created: 11/10/2015 09:55 AM
Updated: 04/12/2018 05:14 PM
Changes: (17) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai advisory_person_name countermeasure_name countermeasure_date source_cve_assigned source_securityfocus source_securityfocus_date source_securityfocus_class source_openvas_id source_openvas_filename source_openvas_title source_openvas_family
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