Linux Kernel 3.1 block/scsi_ioctl.c access control

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Linux Kernel 3.1. Affected by this issue is some unknown functionality of the file block/scsi_ioctl.c. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2012-4542. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel 3.1 (Operating System). This vulnerability affects an unknown function of the file block/scsi_ioctl.c. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

block/scsi_ioctl.c in the Linux kernel through 3.8 does not properly consider the SCSI device class during authorization of SCSI commands, which allows local users to bypass intended access restrictions via an SG_IO ioctl call that leverages overlapping opcodes.

The weakness was presented 02/28/2013 with Red Hat (Website). The advisory is available at oss.oracle.com. This vulnerability was named CVE-2012-4542 since 08/21/2012. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/29/2021). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 68855 (Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2013-2525)), 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 121101 (CentOS Security Update for Kernel (CESA-2013:0496)).

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 Tenable (68855), SecurityFocus (BID 58053†) and Vulnerability Center (SBV-38519†). See VDB-7433, VDB-7776 and VDB-7779 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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VulDB Base Score: 🔍
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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: 68855
Nessus Name: Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2013-2525)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881682
OpenVAS Name: CentOS Update for kernel CESA-2013:0496 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 76a274e17114abf1a77de6b651424648ce9e10c8

Timelineinfo

08/21/2012 🔍
10/11/2012 +51 days 🔍
02/19/2013 +131 days 🔍
02/24/2013 +5 days 🔍
02/28/2013 +4 days 🔍
02/28/2013 +0 days 🔍
07/12/2013 +134 days 🔍
03/24/2015 +620 days 🔍
12/29/2021 +2472 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2013:0496
Organization: Red Hat
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-4542 (🔍)
GCVE (CVE): GCVE-0-2012-4542
GCVE (VulDB): GCVE-100-63658

OVAL: 🔍

SecurityFocus: 58053 - Linux Kernel CVE-2013-0311 Denial Of Service Vulnerability
Vulnerability Center: 38519 - Linux Kernel Remote Security Bypass Vulnerability due to Default SCSI Command Filter Flaw, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/29/2021 17:00
Changes: 03/24/2015 12:22 (67), 04/24/2017 23:00 (6), 12/29/2021 16:53 (5), 12/29/2021 17:00 (1)
Complete: 🔍
Cache ID: 216:821:103

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