Linux Kernel up to 3.0.17 do_devinfo_ioctl information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel up to 3.0.17. Impacted is the function do_devinfo_ioctl. This manipulation causes information disclosure. This vulnerability appears as CVE-2011-2909. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 3.0.17 (Operating System). Affected by this vulnerability is the function do_devinfo_ioctl. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

The do_devinfo_ioctl function in drivers/staging/comedi/comedi_fops.c in the Linux kernel before 3.1 allows local users to obtain sensitive information from kernel memory via a copy of a short string.

The weakness was presented 02/15/2014 with SuSE (Website). It is possible to read the advisory at kernel.org. This vulnerability is known as CVE-2011-2909. 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 attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 56130 (Debian DSA-2303-2 : linux-2.6 - privilege escalation/denial of service/information 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 165574 (SUSE Enterprise Linux Security Update Linux Kernel (SUSE-SA:2011:038)).

Upgrading to version 3.0.18 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (69532), Tenable (56130), SecurityFocus (BID 49411†) and Vulnerability Center (SBV-33473†). See VDB-60956, VDB-58440 and VDB-58436 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 56130
Nessus Name: Debian DSA-2303-2 : linux-2.6 - privilege escalation/denial of service/information leak
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 840790
OpenVAS Name: Ubuntu Update for linux-fsl-imx51 USN-1241-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 3.0.18
Patch: 819cbb120eaec7e014e5abd029260db1ca8c5735

Timelineinfo

07/27/2011 🔍
09/01/2011 +36 days 🔍
09/01/2011 +0 days 🔍
10/06/2011 +35 days 🔍
02/15/2014 +863 days 🔍
02/15/2014 +0 days 🔍
03/25/2015 +403 days 🔍
03/11/2022 +2543 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 819cbb120eaec7e014e5abd029260db1ca8c5735
Organization: SuSE
Status: Not defined

CVE: CVE-2011-2909 (🔍)
GCVE (CVE): GCVE-0-2011-2909
GCVE (VulDB): GCVE-100-69283

OVAL: 🔍

X-Force: 69532
SecurityFocus: 49411 - Linux Kernel Comedi Driver Local Information Disclosure Vulnerability
Vulnerability Center: 33473 - Linux Kernel before 3.1 Local Information Disclosure Vulnerability in Comedi Driver, Medium

See also: 🔍

Entryinfo

Created: 03/25/2015 16:45
Updated: 03/11/2022 07:19
Changes: 03/25/2015 16:45 (63), 04/03/2017 17:47 (9), 03/11/2022 07:12 (6), 03/11/2022 07:19 (1)
Complete: 🔍
Cache ID: 216:884:103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!