VDB-51131 · CVE-2009-4308 · BID 37724

Linux Kernel 2.6.28.2 ext4_decode_error resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Linux Kernel 2.6.28.2 (Operating System). This issue affects the function ext4_decode_error. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

The ext4_decode_error function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel before 2.6.32 allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference), and possibly have unspecified other impact, via a crafted read-only filesystem that lacks a journal.

The issue has been introduced in 12/25/2008. The weakness was released 12/12/2009 (Website). It is possible to read the advisory at vmware.com. The identification of this vulnerability is CVE-2009-4308 since 12/12/2009. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/28/2021).

The vulnerability was handled as a non-public zero-day exploit for at least 352 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 68014 (Oracle Linux 5 : kernel (ELSA-2010-0147)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118967 (VMware ESX Security Update for Third-Party Components (VMSA-2011-0003)).

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 vulnerability database at Tenable (68014). Entries connected to this vulnerability are available at 51678, 51130, 51127 and 53669.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 68014
Nessus Name: Oracle Linux 5 : kernel (ELSA-2010-0147)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 880646
OpenVAS Name: CentOS Update for kernel CESA-2010:0147 centos5 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/25/2008 🔍
12/10/2009 +350 days 🔍
12/12/2009 +2 days 🔍
12/12/2009 +0 days 🔍
12/12/2009 +0 days 🔍
12/12/2009 +0 days 🔍
01/11/2010 +30 days 🔍
01/12/2010 +1 days 🔍
07/12/2013 +1277 days 🔍
03/18/2015 +614 days 🔍
08/28/2021 +2355 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: vmware.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-4308 (🔍)
OVAL: 🔍
IAVM: 🔍

Vulnerability Center: 24545 - Linux kernel < 2.6.32 Remote DoS Vulnerability via Crafted Read-Only Filesystem, High
SecurityFocus: 37724 - Linux Kernel 'print_fatal_signal()' Local Information Disclosure Vulnerability
Secunia: 37658 - Linux Kernel Ext4 Multiple Vulnerabilities, Less Critical

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/28/2021 15:54
Changes: 03/18/2015 15:15 (69), 02/19/2017 21:43 (12), 08/28/2021 15:54 (3)
Complete: 🔍

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