Linux Kernel UDF Filesystem denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel. This issue affects some unknown processing of the component UDF Filesystem Handler. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2014-9730. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System) (affected version unknown). It has been declared as problematic. This vulnerability affects an unknown functionality of the component UDF Filesystem Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

The udf_pc_to_char function in fs/udf/symlink.c in the Linux kernel before 3.18.2 relies on component lengths that are unused, which allows local users to cause a denial of service (system crash) via a crafted UDF filesystem image.

The weakness was released 06/03/2015 as confirmed mailinglist post (oss-sec). The advisory is available at seclists.org. This vulnerability was named CVE-2014-9730 since 06/03/2015. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 84252 (Debian DLA-246-2 : linux-2.6 regression update), 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 168480 (OpenSuSE Security Update for the Linux Kernel (openSUSE-SU-2016:0301-1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the databases at X-Force (103617), Tenable (84252), SecurityFocus (BID 74964†) and Vulnerability Center (SBV-50685†). Entries connected to this vulnerability are available at VDB-12676, VDB-69190, VDB-69206 and VDB-69207. 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: 6.2
VulDB Meta Temp Score: 5.4

VulDB Base Score: 6.2
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84252
Nessus Name: Debian DLA-246-2 : linux-2.6 regression update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 850584
OpenVAS Name: SuSE Update for the openSUSE-SU-2016:0301-1 (kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

06/02/2015 🔍
06/02/2015 +0 days 🔍
06/03/2015 +1 days 🔍
06/03/2015 +0 days 🔍
06/05/2015 +2 days 🔍
06/24/2015 +19 days 🔍
08/31/2015 +68 days 🔍
05/20/2022 +2454 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: e237ec37ec154564f8690c5bd1795339955eeef9
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9730 (🔍)
GCVE (CVE): GCVE-0-2014-9730
GCVE (VulDB): GCVE-100-75706
X-Force: 103617 - Linux Kernel UDF denial of service
SecurityFocus: 74964 - Linux Kernel UDF File System Multiple Local Denial of Service Vulnerabilities
Vulnerability Center: 50685 - Linux Kernel with UDF File System Local DoS Vulnerability due to Missing Symlink Size Verification, Medium

See also: 🔍

Entryinfo

Created: 06/05/2015 09:12
Updated: 05/20/2022 08:21
Changes: 06/05/2015 09:12 (67), 07/01/2017 08:08 (8), 05/20/2022 08:20 (3), 05/20/2022 08:21 (1)
Complete: 🔍
Cache ID: 216:59B:103

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