Linux Kernel 3.9.0/3.9.1/3.9.2/3.9.3/3.9.4 fanotify_user.c resource management

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel 3.9.0/3.9.1/3.9.2/3.9.3/3.9.4. Affected is an unknown function of the file fs/notify/fanotify/fanotify_user.c. Executing a manipulation can lead to resource management. This vulnerability is tracked as CVE-2013-2148. No exploit exists. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Linux Kernel 3.9.0/3.9.1/3.9.2/3.9.3/3.9.4 (Operating System). It has been declared as problematic. This vulnerability affects an unknown functionality of the file fs/notify/fanotify/fanotify_user.c. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality. CVE summarizes:

The fill_event_metadata function in fs/notify/fanotify/fanotify_user.c in the Linux kernel through 3.9.4 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel memory via a read operation on the fanotify descriptor.

The weakness was disclosed 06/03/2013 by Prasad J Pandit as not defined mailinglist post (oss-sec). The advisory is shared for download at seclists.org. The public release has been coordinated in cooperation with the vendor. This vulnerability was named CVE-2013-2148 since 02/19/2013. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 69415 (Ubuntu 12.04 LTS : linux vulnerability (USN-1929-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175902 (Debian Security Update for Linux (DSA 2745-1)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (84894), Tenable (69415), SecurityFocus (BID 60341†), OSVDB (94026†) and Secunia (SA54526†). The entries VDB-9055, VDB-9057, VDB-9336 and VDB-9737 are pretty similar. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69415
Nessus Name: Ubuntu 12.04 LTS : linux vulnerability (USN-1929-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892745
OpenVAS Name: Debian Security Advisory DSA 2745-1 (linux - privilege escalation/denial of service/information leak
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: 🔍
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Timelineinfo

02/19/2013 🔍
06/03/2013 +104 days 🔍
06/03/2013 +0 days 🔍
06/05/2013 +2 days 🔍
06/05/2013 +0 days 🔍
06/07/2013 +2 days 🔍
06/11/2013 +4 days 🔍
08/21/2013 +71 days 🔍
08/26/2013 +5 days 🔍
05/14/2021 +2818 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: seclists.org
Researcher: Prasad J Pandit
Status: Not defined
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-2148 (🔍)
GCVE (CVE): GCVE-0-2013-2148
GCVE (VulDB): GCVE-100-9052

OVAL: 🔍

X-Force: 84894
SecurityFocus: 60341 - Linux Kernel 'copy_event_to_user()' Function Local Information Disclosure Vulnerability
Secunia: 54526 - Ubuntu update for kernel, Moderately Critical
OSVDB: 94026
Vulnerability Center: 41201 - Linux Kernel Before 3.9.5 Local Leakage of Sensitive Information due to a Flaw in the fill_event_metadata Function, Low

See also: 🔍

Entryinfo

Created: 06/11/2013 15:31
Updated: 05/14/2021 13:52
Changes: 06/11/2013 15:31 (80), 05/09/2017 10:30 (4), 05/14/2021 13:52 (3)
Complete: 🔍
Committer:
Cache ID: 216:5F2:103

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