VDB-75034 · CVE-2014-9718 · BID 72577

QEMU up to 2.1.3 BMDMA/AHCI HBA Interface resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

A vulnerability classified as problematic was found in QEMU up to 2.1.3 (Virtualization Software). This vulnerability affects an unknown functionality of the component BMDMA/AHCI HBA Interface. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality in QEMU 1.0 through 2.1.3 have multiple interpretations of a function's return value, which allows guest OS users to cause a host OS denial of service (memory consumption or infinite loop, and system crash) via a PRDT with zero complete sectors, related to the bmdma_prepare_buf and ahci_dma_prepare_buf functions.

The weakness was shared 04/21/2015 by Jan Beulich with SuSE (oss-sec). The advisory is available at openwall.com. This vulnerability was named CVE-2014-9718 since 04/21/2015. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 83422 (Debian DSA-3259-1 : qemu - security update (Venom)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168804 (SUSE Enterprise Linux Security update for xen (SUSE-SU-2016:1318-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (83422). The entries 13272, 13273, 13275 and 74129 are related to this item.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.0
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 83422
Nessus Name: Debian DSA-3259-1 : qemu - security update (Venom)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 703259
OpenVAS Name: Debian Security Advisory DSA 3259-1 (qemu - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 3251bdcf1c67427d964517053c3d185b46e618e8

Timelineinfo

03/31/2015 🔍
04/21/2015 +21 days 🔍
04/21/2015 +0 days 🔍
04/21/2015 +0 days 🔍
04/21/2015 +0 days 🔍
04/22/2015 +1 days 🔍
05/04/2015 +12 days 🔍
05/13/2015 +9 days 🔍
05/09/2022 +2553 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: openwall.com
Researcher: Jan Beulich
Organization: SuSE
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-9718 (🔍)
OVAL: 🔍

Vulnerability Center: 49958 - QEMU 1.0 through 2.1.3 Local DoS via a PRDT with Zero Complete Sectors, Medium
SecurityFocus: 72577 - Xen CVE-2015-2756 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 04/22/2015 10:11
Updated: 05/09/2022 14:37
Changes: 04/22/2015 10:11 (63), 06/28/2017 06:17 (10), 05/09/2022 14:32 (4), 05/09/2022 14:37 (1)
Complete: 🔍

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