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Vulnerability Details : CVE-2010-2784

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.
Publish Date : 2010-08-24 Last Update Date : 2010-08-25
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- CVSS Scores & Vulnerability Types

CVSS Score
6.6
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s) Denial Of ServiceGain privileges
CWE ID 264

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat important
6.6
AV:L/AC:M/Au:S/C:C/I:C/A:C 2010-07-28 2010-07-28
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2010-0627 -- kvm security and bug fix update (important) oval:org.mitre.oval:def:28048 unix
ELSA-2010:0627: kvm security and bug fix update (Important) oval:org.mitre.oval:def:23083 unix
RHSA-2010:0627: kvm security and bug fix update (Important) oval:org.mitre.oval:def:21834 unix
RHSA-2010:0627: kvm security and bug fix update (Important) oval:com.redhat.rhsa:def:20100627 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2010-2784

# Product Type Vendor Product Version Update Edition Language
1 Application Redhat Enterprise Virtualization 2.2 Version Details Vulnerabilities
2 Application Redhat KVM 83 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Redhat Enterprise Virtualization 1
Redhat KVM 1

- References For CVE-2010-2784

http://www.spinics.net/lists/kvm/msg39173.html
MLIST [kvm] 20100728 [PATCH 1/2] Fix segfault in mmio subpage handling code
https://bugzilla.redhat.com/show_bug.cgi?id=619411 CONFIRM
https://rhn.redhat.com/errata/RHSA-2010-0627.html
REDHAT RHSA-2010:0627
https://rhn.redhat.com/errata/RHSA-2010-0622.html
REDHAT RHSA-2010:0622

- Metasploit Modules Related To CVE-2010-2784

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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