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Vulnerability Details : CVE-2009-1046

The console selection feature in the Linux kernel 2.6.28 before 2.6.28.4, 2.6.25, and possibly earlier versions, when the UTF-8 console is used, allows physically proximate attackers to cause a denial of service (memory corruption) by selecting a small number of 3-byte UTF-8 characters, which triggers an "off-by-two memory error." NOTE: it is not clear whether this issue crosses privilege boundaries.
Publish Date : 2009-03-23 Last Update Date : 2016-05-31
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- CVSS Scores & Vulnerability Types

CVSS Score
4.7
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 Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceMemory corruption
CWE ID 399

- Vendor Statements

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and 5. It was addressed in Red Hat Enterprise MRG via: https://rhn.redhat.com/errata/RHSA-2009-0451.html .
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low
4.7
AV:L/AC:M/Au:N/C:N/I:N/A:C 2009-02-11 2009-01-30
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2009-1046 oval:org.opensuse.security:def:20091046 unix
DSA-1787-1 linux-2.6.24 -- denial of service/privilege escalation/information leak oval:org.mitre.oval:def:13537 unix
DSA-1800 linux-2.6 -- denial of service/privilege escalation/sensitive memory leak oval:org.mitre.oval:def:8300 unix
DSA-1800-1 linux-2.6 -- denial of service/privilege escalation/sensitive memory leak oval:org.mitre.oval:def:13750 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-2009-1046

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 2.6.25 Version Details Vulnerabilities
2 OS Linux Linux Kernel 2.6.28 Version Details Vulnerabilities
3 OS Linux Linux Kernel 2.6.28.1 Version Details Vulnerabilities
4 OS Linux Linux Kernel 2.6.28.2 Version Details Vulnerabilities
5 OS Linux Linux Kernel 2.6.28.3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 5

- References For CVE-2009-1046

http://www.openwall.com/lists/oss-security/2009/02/12/11
MLIST [oss-security] 20090212 Re: http://www.securityfocus.com/bid/33672/info kernel issue
http://www.debian.org/security/2009/dsa-1787
DEBIAN DSA-1787
http://www.openwall.com/lists/oss-security/2009/02/12/10
MLIST [oss-security] 20090212 Re: http://www.securityfocus.com/bid/33672/info kernel
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.4 CONFIRM
http://www.ubuntu.com/usn/usn-751-1
UBUNTU USN-751-1
http://www.redhat.com/support/errata/RHSA-2009-0451.html
REDHAT RHSA-2009:0451
http://www.openwall.com/lists/oss-security/2009/02/12/9
MLIST [oss-security] 20090212 http://www.securityfocus.com/bid/33672/info kernel issue
http://lists.openwall.net/linux-kernel/2009/02/02/364
MLIST [linux-kernel] 20090202 Re: [PATCH] Fix memory corruption in console selection
http://lists.openwall.net/linux-kernel/2009/01/30/333
MLIST [linux-kernel] 20090130 [PATCH] Fix memory corruption in console selection
http://www.securityfocus.com/bid/33672
BID 33672 Linux Kernel Console Selection Local Privilege Escalation Vulnerability Release Date:2009-08-21
http://www.debian.org/security/2009/dsa-1800
DEBIAN DSA-1800

- Metasploit Modules Related To CVE-2009-1046

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


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