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Vulnerability Details : CVE-2010-0309

The pit_ioport_read function in the Programmable Interval Timer (PIT) emulation in i8254.c in KVM 83 does not properly use the pit_state data structure, which allows guest OS users to cause a denial of service (host OS crash or hang) by attempting to read the /dev/port file.
Publish Date : 2010-02-12 Last Update Date : 2017-09-18
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required 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 Service
CWE ID 16

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
4.9
AV:L/AC:L/Au:N/C:N/I:N/A:C 2010-02-02 2010-01-07
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- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2010-0088 -- kvm security and bug fix update (important) oval:org.mitre.oval:def:27907 unix
DSA-1996 linux-2.6 -- privilege escalation/denial of service/sensitive memory leak oval:org.mitre.oval:def:7480 unix
DSA-1996-1 linux-2.6 -- privilege escalation/denial of service/sensitive memory leak oval:org.mitre.oval:def:13397 unix
DSA-2010 kvm -- privilege escalation/denial of service oval:org.mitre.oval:def:7147 unix
DSA-2010-1 kvm - several vulnerabilities oval:org.mitre.oval:def:18623 unix
ELSA-2010:0088: kvm security and bug fix update (Important) oval:org.mitre.oval:def:22934 unix
RHSA-2010:0088: kvm security and bug fix update (Important) oval:org.mitre.oval:def:22169 unix
RHSA-2010:0088: kvm security and bug fix update (Important) oval:com.redhat.rhsa:def:20100088 unix
The pit_ioport_read function in the Programmable Interval Timer (PIT) emulation in i8254.c in KVM 83 does not properly u... oval:org.mitre.oval:def:11095 unix
USN-914-1 -- linux, linux-source-2.6.15 vulnerabilities oval:org.mitre.oval:def:13232 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-2010-0309

# Product Type Vendor Product Version Update Edition Language
1 Application Linux Kernel Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Kernel 1

- References For CVE-2010-0309

https://rhn.redhat.com/errata/RHSA-2010-0095.html
REDHAT RHSA-2010:0095
https://rhn.redhat.com/errata/RHSA-2010-0088.html
REDHAT RHSA-2010:0088
http://www.debian.org/security/2010/dsa-1996
DEBIAN DSA-1996
http://www.mail-archive.com/[email protected]/msg28002.html
MLIST [kvm] 20100129 KVM: PIT: control word is write-only
http://www.openwall.com/lists/oss-security/2010/02/02/1
MLIST [oss-security] 20100202 CVE request - kvm: cat /dev/port in the guest can cause host DoS
http://www.vupen.com/english/advisories/2010/0638
VUPEN ADV-2010-0638
http://www.securityfocus.com/bid/38158
BID 38158 Linux Kernel KVM Multiple Privilege Escalation and Denial of Service Vulnerabilities Release Date:2010-06-03
http://www.ubuntu.com/usn/USN-914-1
UBUNTU USN-914-1
https://bugzilla.redhat.com/show_bug.cgi?id=560887 CONFIRM
http://www.openwall.com/lists/oss-security/2010/02/02/4
MLIST [oss-security] 20100202 Re: CVE request - kvm: cat /dev/port in the guest can cause host DoS

- Metasploit Modules Related To CVE-2010-0309

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


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