Fabrice Bellard QEMU up to 1.7.1 State Loader virtio-net.h numeric error

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Fabrice Bellard QEMU up to 1.7.1. Affected by this vulnerability is an unknown functionality of the file include/hw/virtio/virtio-net.h of the component State Loader. The manipulation results in numeric error. This vulnerability is identified as CVE-2013-4148. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Fabrice Bellard QEMU up to 1.7.1 (Virtualization Software). Affected is an unknown functionality of the file include/hw/virtio/virtio-net.h of the component State Loader. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Integer signedness error in the virtio_net_load function in hw/net/virtio-net.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers a buffer overflow.

The weakness was released 02/18/2014 by Petr Matousek as Bug 1066334 as confirmed bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. The public release was coordinated with the vendor. This vulnerability is traded as CVE-2013-4148 since 06/12/2013. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The advisory points out:

An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.

The vulnerability scanner Nessus provides a plugin with the ID 74457 (Oracle Linux 6 : qemu-kvm (ELSA-2014-0743)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157057 (Oracle Enterprise Linux Security Update for qemu-kvm (ELSA-2015-0349)).

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

The vulnerability is also documented in the databases at X-Force (93223), Tenable (74457), SecurityFocus (BID 67483†), OSVDB (106037†) and Secunia (SA57945†). Entries connected to this vulnerability are available at VDB-13008, VDB-13254, VDB-13267 and VDB-13268. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Not Affected

  • Red Hat Enterprise Linux 5/6

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74457
Nessus Name: Oracle Linux 6 : qemu-kvm (ELSA-2014-0743)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2014-0927
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: git.qemu.org

Timelineinfo

06/12/2013 🔍
02/18/2014 +251 days 🔍
02/18/2014 +0 days 🔍
04/17/2014 +58 days 🔍
05/16/2014 +29 days 🔍
05/19/2014 +3 days 🔍
05/22/2014 +3 days 🔍
06/11/2014 +20 days 🔍
08/07/2014 +57 days 🔍
11/04/2014 +89 days 🔍
06/20/2021 +2420 days 🔍

Sourcesinfo

Vendor: bellard.org

Advisory: Bug 1066334
Researcher: Petr Matousek
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-4148 (🔍)
GCVE (CVE): GCVE-0-2013-4148
GCVE (VulDB): GCVE-100-13266

OVAL: 🔍

X-Force: 93223 - QEMU virtio-net.h code execution, Medium Risk
SecurityFocus: 67483 - QEMU Multiple Memory Corruption Vulnerabilities
Secunia: 57945 - Qemu IDE SMART EXECUTE OFFLINE Memory Corruption Vulnerability, Not Critical
OSVDB: 106037
Vulnerability Center: 45695 - Qemu <1.7.2 remote Code Execution and DoS due to Buffer Overflow in virtio-net, High

See also: 🔍

Entryinfo

Created: 05/22/2014 09:44
Updated: 06/20/2021 06:27
Changes: 05/22/2014 09:44 (85), 06/03/2017 07:48 (8), 06/20/2021 06:27 (3)
Complete: 🔍
Cache ID: 216::103

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