Qemu up to 0.9.1 access control

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Qemu. The impacted element is an unknown function. Performing a manipulation results in access control. This vulnerability is identified as CVE-2008-0928. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Qemu (Virtualization Software). This affects an unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality. The summary by CVE is:

Qemu 0.9.1 and earlier does not perform range checks for block device read or write requests, which allows guest host users with root privileges to access arbitrary memory and escape the virtual machine.

The bug was discovered 02/19/2008. The weakness was released 03/03/2008 by Ian Jackson (Website). The advisory is shared at redhat.com. This vulnerability is uniquely identified as CVE-2008-0928 since 02/25/2008. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 13 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 31437 (FreeBSD : qemu -- unchecked block read/write vulnerability (9cfbca7f-efb7-11dc-be01-0211060005df)), 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 l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117309 (CentOS Security Update for xen (CESA-2008:0194)).

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

The vulnerability is also documented in the databases at X-Force (42492), Tenable (31437), SecurityFocus (BID 28001†), OSVDB (42983†) and Secunia (SA29172†). Entries connected to this vulnerability are available at VDB-39488, VDB-39434, VDB-42377 and VDB-42376. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 31437
Nessus Name: FreeBSD : qemu -- unchecked block read/write vulnerability (9cfbca7f-efb7-11dc-be01-0211060005df)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 63995
OpenVAS Name: Debian Security Advisory DSA 1799-1 (qemu)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

02/19/2008 🔍
02/19/2008 +0 days 🔍
02/25/2008 +6 days 🔍
02/26/2008 +1 days 🔍
02/29/2008 +3 days 🔍
03/03/2008 +3 days 🔍
03/03/2008 +0 days 🔍
03/11/2008 +8 days 🔍
03/13/2008 +2 days 🔍
03/17/2008 +4 days 🔍
03/16/2015 +2555 days 🔍
08/07/2019 +1605 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: redhat.com
Researcher: Ian Jackson
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-0928 (🔍)
GCVE (CVE): GCVE-0-2008-0928
GCVE (VulDB): GCVE-100-41301

OVAL: 🔍

X-Force: 42492
SecurityFocus: 28001 - KVM Block Device Backend Local Security Bypass Vulnerability
Secunia: 29172 - Fedora update for xen, Not Critical
OSVDB: 42983 - KVM - Block Device Backend Local Security Bypass Issue
Vulnerability Center: 17879 - Qemu <= 0.9.1 Local Security Bypass Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/16/2015 13:43
Updated: 08/07/2019 09:39
Changes: 03/16/2015 13:43 (80), 08/07/2019 09:39 (6)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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