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Vulnerability Details : CVE-2009-0747

The ext4_isize function in fs/ext4/ext4.h in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 uses the i_size_high structure member during operations on arbitrary types of files, which allows local users to cause a denial of service (CPU consumption and error-message flood) by attempting to mount a crafted ext4 filesystem.
Publish Date : 2009-02-27 Last Update Date : 2013-01-22
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- CVSS Scores & Vulnerability Types

CVSS Score
4.9
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 Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
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 Red Hat Enterprise MRG. This issue was addressed in Red Hat Enterprise Linux 5 by https://rhn.redhat.com/errata/RHSA-2009-1243.html
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low
4.9
AV:L/AC:L/Au:N/C:N/I:N/A:C 2009-03-01 2009-01-07
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- Related OVAL Definitions

Title Definition Id Class Family
DSA-1749 linux-2.6 -- denial of service/privilege escalation/sensitive memory leak oval:org.mitre.oval:def:8381 unix
DSA-1749-1 linux-2.6 -- denial of service/privilege escalation/sensitive memory leak oval:org.mitre.oval:def:13503 unix
ELSA-2009:1243: Oracle Linux 5.x.4 kernel security and bug fix update (Important) oval:org.mitre.oval:def:21973 unix
RHSA-2009:1243: Red Hat Enterprise Linux 5.4 kernel security and bug fix update (Important) oval:com.redhat.rhsa:def:20091243 unix
The ext4_isize function in fs/ext4/ext4.h in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 uses th... oval:org.mitre.oval:def:9200 unix
VMware kernel ext4_isize function vulnerability oval:org.mitre.oval:def:8585 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-2009-0747

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 2.6.27 RC6 Version Details Vulnerabilities
2 OS Linux Linux Kernel 2.6.27 RC9 Version Details Vulnerabilities
3 OS Linux Linux Kernel 2.6.27 RC1 Version Details Vulnerabilities
4 OS Linux Linux Kernel 2.6.27 RC8 Version Details Vulnerabilities
5 OS Linux Linux Kernel 2.6.27 RC3 Version Details Vulnerabilities
6 OS Linux Linux Kernel 2.6.27 RC5 Version Details Vulnerabilities
7 OS Linux Linux Kernel 2.6.27 RC2 Version Details Vulnerabilities
8 OS Linux Linux Kernel 2.6.27 RC4 Version Details Vulnerabilities
9 OS Linux Linux Kernel 2.6.27 Version Details Vulnerabilities
10 OS Linux Linux Kernel 2.6.27 RC7 Version Details Vulnerabilities
11 OS Linux Linux Kernel 2.6.27.1 Version Details Vulnerabilities
12 OS Linux Linux Kernel 2.6.27.2 Version Details Vulnerabilities
13 OS Linux Linux Kernel 2.6.27.3 Version Details Vulnerabilities
14 OS Linux Linux Kernel 2.6.27.4 Version Details Vulnerabilities
15 OS Linux Linux Kernel 2.6.27.5 Version Details Vulnerabilities
16 OS Linux Linux Kernel 2.6.27.6 Version Details Vulnerabilities
17 OS Linux Linux Kernel 2.6.27.7 Version Details Vulnerabilities
18 OS Linux Linux Kernel 2.6.27.8 Version Details Vulnerabilities
19 OS Linux Linux Kernel 2.6.27.9 Version Details Vulnerabilities
20 OS Linux Linux Kernel 2.6.27.10 Version Details Vulnerabilities
21 OS Linux Linux Kernel 2.6.27.11 Version Details Vulnerabilities
22 OS Linux Linux Kernel 2.6.27.12 Version Details Vulnerabilities
23 OS Linux Linux Kernel 2.6.27.13 Version Details Vulnerabilities
24 OS Linux Linux Kernel 2.6.27.14 Version Details Vulnerabilities
25 OS Linux Linux Kernel 2.6.27.15 Version Details Vulnerabilities
26 OS Linux Linux Kernel 2.6.27.16 Version Details Vulnerabilities
27 OS Linux Linux Kernel 2.6.27.17 Version Details Vulnerabilities
28 OS Linux Linux Kernel 2.6.27.18 Version Details Vulnerabilities
29 OS Linux Linux Kernel 2.6.28 RC5 Version Details Vulnerabilities
30 OS Linux Linux Kernel 2.6.28 Version Details Vulnerabilities
31 OS Linux Linux Kernel 2.6.28 RC2 Version Details Vulnerabilities
32 OS Linux Linux Kernel 2.6.28 RC1 Version Details Vulnerabilities
33 OS Linux Linux Kernel 2.6.28 RC6 Version Details Vulnerabilities
34 OS Linux Linux Kernel 2.6.28 RC4 Version Details Vulnerabilities
35 OS Linux Linux Kernel 2.6.28 RC3 Version Details Vulnerabilities
36 OS Linux Linux Kernel 2.6.28 RC7 Version Details Vulnerabilities
37 OS Linux Linux Kernel 2.6.28.1 Version Details Vulnerabilities
38 OS Linux Linux Kernel 2.6.28.2 Version Details Vulnerabilities
39 OS Linux Linux Kernel 2.6.28.3 Version Details Vulnerabilities
40 OS Linux Linux Kernel 2.6.28.4 Version Details Vulnerabilities
41 OS Linux Linux Kernel 2.6.28.5 Version Details Vulnerabilities
42 OS Linux Linux Kernel 2.6.28.6 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 42

- References For CVE-2009-0747

http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.7 CONFIRM
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19 CONFIRM
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=06a279d636734da32bb62dd2f7b0ade666f65d7c CONFIRM
http://secunia.com/advisories/34394
SECUNIA 34394
http://rhn.redhat.com/errata/RHSA-2009-1243.html
REDHAT RHSA-2009:1243
http://secunia.com/advisories/36562
SECUNIA 36562
http://secunia.com/advisories/37471
SECUNIA 37471
http://www.debian.org/security/2009/dsa-1749
DEBIAN DSA-1749
http://www.ubuntu.com/usn/usn-751-1
UBUNTU USN-751-1
http://www.vmware.com/security/advisories/VMSA-2009-0016.html CONFIRM
http://www.securityfocus.com/archive/1/archive/1/507985/100/0/threaded
BUGTRAQ 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components
http://www.vupen.com/english/advisories/2009/0509
VUPEN ADV-2009-0509
http://bugzilla.kernel.org/show_bug.cgi?id=12375 CONFIRM
http://www.vupen.com/english/advisories/2009/3316
VUPEN ADV-2009-3316

- Metasploit Modules Related To CVE-2009-0747

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


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