Linux Kernel 2.6.28.2 access control

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel 2.6.28.2. Affected is an unknown function. The manipulation leads to access control. This vulnerability is traded as CVE-2009-3939. There is no exploit available.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.28.2 (Operating System) and classified as critical. This issue affects some unknown processing. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is integrity, and availability. The summary by CVE is:

The poll_mode_io file for the megaraid_sas driver in the Linux kernel 2.6.31.6 and earlier has world-writable permissions, which allows local users to change the I/O mode of the driver by modifying this file.

The issue has been introduced in 12/25/2008. The weakness was shared 11/16/2009 (Website). It is possible to read the advisory at rhn.redhat.com. The identification of this vulnerability is CVE-2009-3939 since 11/16/2009. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/27/2021). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 326 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 44860 (Debian DSA-1996-1 : linux-2.6 - privilege escalation/denial of service/sensitive memory leak), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165664 (SUSE Enterprise Linux Security Update Linux Kernel (SUSE-SA:2009:061)).

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 (54280), Tenable (44860), SecurityFocus (BID 37019†), OSVDB (60201†) and Secunia (SA37909†). The entries VDB-40214, VDB-51836, VDB-51835 and VDB-51834 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.7

VulDB Base Score: 7.7
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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: 44860
Nessus Name: Debian DSA-1996-1 : linux-2.6 - privilege escalation/denial of service/sensitive memory leak
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 880643
OpenVAS Name: CentOS Update for kernel CESA-2010:0046 centos5 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/25/2008 🔍
11/13/2009 +323 days 🔍
11/13/2009 +0 days 🔍
11/16/2009 +3 days 🔍
11/16/2009 +0 days 🔍
11/16/2009 +0 days 🔍
11/18/2009 +2 days 🔍
12/23/2009 +34 days 🔍
01/06/2010 +14 days 🔍
02/24/2010 +49 days 🔍
03/18/2015 +1848 days 🔍
08/27/2021 +2354 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: rhn.redhat.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-3939 (🔍)
GCVE (CVE): GCVE-0-2009-3939
GCVE (VulDB): GCVE-100-50819

OVAL: 🔍
IAVM: 🔍

X-Force: 54280
SecurityFocus: 37019 - Linux Kernel 'megaraid_sas' Driver Insecure File Permission Local Privilege Escalation Vulnerability
Secunia: 37909 - SUSE update for kernel, Less Critical
OSVDB: 60201 - Linux Kernel megaraid_sas Driver poll_mode_io Permission Weakness I/O Mode Local Modification
Vulnerability Center: 24523 - Linux Kernel < 2.6.27-rc4 Local Privilege Escalation due to Megaraid_sas Driver Insecure Permissions, Medium

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/27/2021 21:18
Changes: 03/18/2015 15:15 (71), 02/19/2017 16:55 (13), 08/27/2021 21:18 (3)
Complete: 🔍
Cache ID: 216:572:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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