Red Hat Enterprise Virtualization 2.2 exec.c subpage_register access control

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Red Hat Enterprise Virtualization 2.2 and classified as problematic. This vulnerability affects the function subpage_register of the file exec.c. Such manipulation leads to access control. This vulnerability is traded as CVE-2010-2784. There is no exploit available.

Detailsinfo

A vulnerability was found in Red Hat Enterprise Virtualization 2.2 (Virtualization Software) and classified as critical. Affected by this issue is the function subpage_register of the file exec.c. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The subpage MMIO initialization functionality in the subpage_register function in exec.c in QEMU-KVM, as used in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and KVM 83, does not properly select the index for access to the callback array, which allows guest OS users to cause a denial of service (guest OS crash) or possibly gain privileges via unspecified vectors.

The weakness was shared 08/24/2010 (Website). The advisory is shared for download at rhn.redhat.com. This vulnerability is handled as CVE-2010-2784. The attack needs to be approached locally. A simple authentication is needed 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 09/23/2021). The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 48910 (CentOS 5 : kvm (CESA-2010:0627)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155627 (Oracle Enterprise Linux Update for KVM (ELSA-2010-0627)).

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 databases at Tenable (48910), SecurityFocus (BID 42579†) and Vulnerability Center (SBV-27006†). The entries VDB-54463 and VDB-54462 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
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: 48910
Nessus Name: CentOS 5 : kvm (CESA-2010:0627)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/22/2010 🔍
08/20/2010 +29 days 🔍
08/24/2010 +4 days 🔍
08/24/2010 +0 days 🔍
08/24/2010 +0 days 🔍
09/06/2010 +13 days 🔍
03/19/2015 +1655 days 🔍
09/23/2021 +2380 days 🔍

Sourcesinfo

Vendor: redhat.com

Advisory: RHSA-2010:0627
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-2784 (🔍)
GCVE (CVE): GCVE-0-2010-2784
GCVE (VulDB): GCVE-100-54464

OVAL: 🔍

SecurityFocus: 42579 - QEMU KVM 'exec.c:subpage_register()' Memory Corruption Vulnerability
Vulnerability Center: 27006 - Red Hat Enterprise Virtualization 2.2 and KVM 83 Allows Dos or Privileges Escalation, Medium

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 09/23/2021 18:18
Changes: 03/19/2015 14:37 (56), 03/03/2017 15:56 (9), 09/23/2021 18:10 (5), 09/23/2021 18:18 (2)
Complete: 🔍
Cache ID: 216:754:103

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