Linux Kernel 3.16.0/3.16.1/3.16.2 SMB2_tcon IPC resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel 3.16.0/3.16.1/3.16.2. This issue affects the function SMB2_tcon. The manipulation of the argument IPC results in resource management. This vulnerability is reported as CVE-2014-7145. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel 3.16.0/3.16.1/3.16.2 (Operating System). It has been classified as critical. Affected is the function SMB2_tcon. The manipulation of the argument IPC with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

The SMB2_tcon function in fs/cifs/smb2pdu.c in the Linux kernel before 3.16.3 allows remote CIFS servers to cause a denial of service (NULL pointer dereference and client system crash) or possibly have unspecified other impact by deleting the IPC$ share during resolution of DFS referrals.

The weakness was disclosed 09/28/2014 by Raphael Geissert (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2014-7145 since 09/22/2014. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 81100 (Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2015-3003)), 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 157029 (Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2015-3003)).

Upgrading to version 3.16.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (96025), Tenable (81100), SecurityFocus (BID 69867†) and Vulnerability Center (SBV-46287†). The entry VDB-67558 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 81100
Nessus Name: Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2015-3003)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2015-3003
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 3.16.1
Patch: 18f39e7be0121317550d03e267e3ebd4dbfbb3ce

Timelineinfo

09/17/2014 🔍
09/17/2014 +0 days 🔍
09/22/2014 +5 days 🔍
09/28/2014 +6 days 🔍
09/28/2014 +0 days 🔍
09/29/2014 +1 days 🔍
01/30/2015 +123 days 🔍
03/26/2015 +55 days 🔍
03/29/2022 +2560 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-2394-1
Researcher: Raphael Geissert
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-7145 (🔍)
GCVE (CVE): GCVE-0-2014-7145
GCVE (VulDB): GCVE-100-71592

OVAL: 🔍

X-Force: 96025
SecurityFocus: 69867 - Linux Kernel 'SMB2_tcon' NULL Pointer Dereference Denial of Service Vulnerability
Vulnerability Center: 46287 - Linux Kernel Before 3.16.3 Remote DoS due to an Error in the SMB2_tcon Function, High

See also: 🔍

Entryinfo

Created: 03/26/2015 16:14
Updated: 03/29/2022 13:11
Changes: 03/26/2015 16:14 (68), 06/07/2017 11:11 (9), 03/29/2022 12:56 (5), 03/29/2022 13:04 (1), 03/29/2022 13:11 (1)
Complete: 🔍
Cache ID: 216::103

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