Linux Kernel 3.12 Marvell Bxxx Libertas WLAN Driver Support debugfs.c lbs_debugfs_write numeric error

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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Linux Kernel 3.12 and classified as problematic. The impacted element is the function lbs_debugfs_write of the file drivers/net/wireless/libertas/debugfs.c of the component Marvell Bxxx Libertas WLAN Driver Support. The manipulation leads to numeric error. This vulnerability is referenced as CVE-2013-6378. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel 3.12 (Operating System). This issue affects the function lbs_debugfs_write of the file drivers/net/wireless/libertas/debugfs.c of the component Marvell Bxxx Libertas WLAN Driver Support. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is availability. The summary by CVE is:

The lbs_debugfs_write function in drivers/net/wireless/libertas/debugfs.c in the Linux kernel through 3.12.1 allows local users to cause a denial of service (OOPS) by leveraging root privileges for a zero-length write operation.

The weakness was published 11/11/2013 by Fabian Yamaguchi and Nico Golde as Linux kernel CVE fixes as confirmed mailinglist post (oss-sec). It is possible to read the advisory at seclists.org. The public release has been coordinated with Linux. The identification of this vulnerability is CVE-2013-6378 since 11/04/2013. Attacking locally is a requirement. A simple authentication is necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 71222 (Fedora 20 : kernel-3.11.10-300.fc20 (2013-22531)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195833 (Ubuntu Security Notification for Linux-lts-saucy Vulnerabilities (USN-2070-1)).

Applying the patch libertas: potential oops in debugfs is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (89193), Tenable (71222), SecurityFocus (BID 63886†), OSVDB (100294†) and Secunia (SA59309†). bugzilla.redhat.com is providing further details. Similar entries are available at VDB-10574, VDB-11313, VDB-11314 and VDB-11317. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
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: 71222
Nessus Name: Fedora 20 : kernel-3.11.10-300.fc20 (2013-22531)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 867387
OpenVAS Name: Fedora Update for kernel FEDORA-2013-22531
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: libertas: potential oops in debugfs

Timelineinfo

11/04/2013 🔍
11/11/2013 +7 days 🔍
11/11/2013 +0 days 🔍
11/22/2013 +11 days 🔍
11/26/2013 +4 days 🔍
11/29/2013 +3 days 🔍
12/05/2013 +6 days 🔍
12/15/2013 +10 days 🔍
07/01/2014 +198 days 🔍
06/02/2021 +2528 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: Linux kernel CVE fixes
Researcher: Fabian Yamaguchi, Nico Golde
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-6378 (🔍)
GCVE (CVE): GCVE-0-2013-6378
GCVE (VulDB): GCVE-100-11315

OVAL: 🔍

X-Force: 89193
SecurityFocus: 63886
Secunia: 59309 - Red Hat update for kernel, Less Critical
OSVDB: 100294
Vulnerability Center: 42568 - Linux Kernel 3.0 Through 3.12.1 Local Denial of Service via Leveraging of Root Privileges (CVE-2013-6378), Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 11/29/2013 08:53
Updated: 06/02/2021 14:34
Changes: 11/29/2013 08:53 (84), 05/17/2017 09:00 (4), 06/02/2021 14:34 (3)
Complete: 🔍
Committer:
Cache ID: 216:3D6:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!