Linux Kernel 2.6.16.9 ocfs2_prepare_page_for_write input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Kernel 2.6.16.9. The impacted element is the function ocfs2_prepare_page_for_write. This manipulation causes input validation. This vulnerability is handled as CVE-2011-0463. There is not any exploit available.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.16.9 (Operating System). It has been declared as problematic. Affected by this vulnerability is the function ocfs2_prepare_page_for_write. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality. The summary by CVE is:

The ocfs2_prepare_page_for_write function in fs/ocfs2/aops.c in the Oracle Cluster File System 2 (OCFS2) subsystem in the Linux kernel before 2.6.39-rc1 does not properly handle holes that cross page boundaries, which allows local users to obtain potentially sensitive information from uninitialized disk locations by reading a file.

The issue has been introduced in 03/20/2006. The weakness was released 04/09/2011 with SuSE (Website). It is possible to read the advisory at oss.oracle.com. This vulnerability is known as CVE-2011-0463. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1846 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 56257 (USN-1212-1 : linux-ti-omap4 vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks.

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 databases at X-Force (66504), Tenable (56257), SecurityFocus (BID 47116†) and Vulnerability Center (SBV-31906†). Entry connected to this vulnerability is available at VDB-57033. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.0
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 56257
Nessus Name: USN-1212-1 : linux-ti-omap4 vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 840671
OpenVAS Name: Ubuntu Update for linux USN-1141-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 272b62c1f0f6f742046e45b50b6fec98860208a0

Timelineinfo

03/20/2006 🔍
01/14/2011 +1760 days 🔍
02/17/2011 +34 days 🔍
04/01/2011 +43 days 🔍
04/09/2011 +8 days 🔍
04/09/2011 +0 days 🔍
06/20/2011 +72 days 🔍
09/22/2011 +94 days 🔍
03/20/2015 +1275 days 🔍
10/21/2021 +2407 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-1212-1
Organization: SuSE
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-0463 (🔍)
GCVE (CVE): GCVE-0-2011-0463
GCVE (VulDB): GCVE-100-57031

OVAL: 🔍

X-Force: 66504
SecurityFocus: 47116 - Linux Kernel 'OCFS2' Local Information Disclosure Vulnerability
Secunia: 43966
Vulnerability Center: 31906 - Oracle OCFS2 in Linux Kernel before 2.6.39-rc1 Local Information Disclosure Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/20/2015 16:16
Updated: 10/21/2021 23:21
Changes: 03/20/2015 16:16 (62), 03/24/2017 12:02 (10), 10/21/2021 23:06 (8), 10/21/2021 23:21 (2)
Complete: 🔍
Cache ID: 216:311:103

Be aware that VulDB is the high quality source for vulnerability data.

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