QEMU Audio Capture audio/audio.c resource management

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in QEMU. This issue affects some unknown processing of the file audio/audio.c of the component Audio Capture. Performing a manipulation results in resource management. This vulnerability is known as CVE-2017-8309. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in QEMU (Virtualization Software) (affected version unknown). This affects an unknown functionality of the file audio/audio.c of the component Audio Capture. 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 the audio/audio.c in QEMU (aka Quick Emulator) allows remote attackers to cause a denial of service (memory consumption) by repeatedly starting and stopping audio capture.

The bug was discovered 04/28/2017. The weakness was published 05/23/2017 by Jiang Xin with Huawei (Website). It is possible to read the advisory at lists.gnu.org. This vulnerability is uniquely identified as CVE-2017-8309 since 04/28/2017. The exploitability is told to be easy. 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 18 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 100250 (Ubuntu 14.04 LTS / 16.04 LTS / 16.10 / 17.04 : qemu vulnerabilities (USN-3289-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170142 (SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2017:1774-1)).

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 (100250) and SecurityFocus (BID 98302†). Similar entries are available at VDB-98316, VDB-99556, VDB-100418 and VDB-100808. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Virtualization Software

Name

QEMU

License

open-source

Website

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

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: 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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 100250
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 16.10 / 17.04 : qemu vulnerabilities (USN-3289-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for qemu USN-3289-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/28/2017 🔍
04/28/2017 +0 days 🔍
04/28/2017 +0 days 🔍
05/16/2017 +18 days 🔍
05/17/2017 +1 days 🔍
05/23/2017 +6 days 🔍
05/23/2017 +0 days 🔍
05/23/2017 +0 days 🔍
12/07/2022 +2024 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: USN-3289-1
Researcher: Jiang Xin
Organization: Huawei
Status: Not defined

CVE: CVE-2017-8309 (🔍)
GCVE (CVE): GCVE-0-2017-8309
GCVE (VulDB): GCVE-100-101655
SecurityFocus: 98302 - QEMU CVE-2017-8309 Denial of Service Vulnerability
OSVDB: - CVE-2017-8309 - QEMU - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 05/23/2017 12:48
Updated: 12/07/2022 08:47
Changes: 05/23/2017 12:48 (72), 10/02/2020 09:39 (8), 12/07/2022 08:46 (4), 12/07/2022 08:47 (1)
Complete: 🔍
Cache ID: 216::103